Flying

Whenever Aerial Extortionist enters the battlefield or deals combat damage to a player, exile up to one target nonland permanent. For as long as that card remains exiled, its owner may cast it.

Whenever another player casts a spell from anywhere other than their hand, draw a card.

Inspired -- Whenever Aerie Worshippers becomes untapped, you may pay {2}{U}. If you do, create a 2/2 blue Bird enchantment creature token with flying.

Flying

Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter).

Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Draw a card for each Bird on the battlefield.

Flying

Whenever you create one or more tokens for the first time each turn, create a 1/1 white Bird creature token with flying.

{3}{U}{R}{W}: Creature tokens you control gain double strike until end of turn.

Flying, haste

Akoum Firebird attacks each combat if able.

Landfall -- Whenever a land enters the battlefield under your control, you may pay {4}{R}{R}. If you do, return Akoum Firebird from your graveyard to the battlefield.

Create two 1/1 blue Bird creature tokens with flying. Take an extra turn after this one. Exile Alrund's Epiphany.

Foretell {4}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile.

At the beginning of your end step, choose a card type, then reveal the top two cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Flying

Whenever Hakka, Whispering Raven deals combat damage to a player, return it to its owner's hand, then scry 2.

Whenever a player casts a white spell, you may gain 1 life.

{T}: Add {C}.

{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.)

Flying

Apex Hawks enters the battlefield with a +1/+1 counter on it for each time it was kicked.

As Arcane Adaptation enters the battlefield, choose a creature type.

Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Flying

When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying

Arctic Aven gets +1/+1 as long as you control a Plains.

{W}: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

Flying

Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Flying

When Ashcloud Phoenix dies, return it to the battlefield face down under your control.

Morph {4}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Ashcloud Phoenix is turned face up, it deals 2 damage to each player.

Flying

When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying

Sacrifice Aven Augur: Return up to two target creatures to their owners' hands. Activate only during your upkeep.

Flying

Whenever Aven Courier attacks, choose a counter on a permanent you control. Put a counter of that kind on target permanent you control if it doesn't have a counter of that kind on it.

Flying

Whenever a permanent is turned face up, put a +1/+1 counter on Aven Farseer.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aven Fisher dies, you may draw a card.

Flying

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying

When Aven Fogbringer enters the battlefield, return target land to its owner's hand.

Flying

When Aven Gagglemaster enters the battlefield, you gain 2 life for each creature you control with flying.

Flying

At the beginning of your upkeep, you may put a feather counter on target creature. If you do, that creature has base power and toughness 3/1 and has flying for as long as it has a feather counter on it.

Flying

Flying

Domain -- Aven Trailblazer's toughness is equal to the number of basic land types among lands you control.

Flying

{2}{W}, Discard a card: Aven Trooper gets +1/+2 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

{1}{U}: Target player reveals the top card of their library.

Flying

Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

When you cycle Avian Oddity, put a flying counter on target creature you control.

{T}: Add {W} or {U}.

{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

Flying

Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn.

Create two 1/1 white Bird creature tokens with flying.

Flashback--Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying, first strike

Flying

When Battleflight Eagle enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.

Kicker {R} (You may pay an additional {R} as you cast this spell.)

Flying

When Battlewing Mystic enters the battlefield, if it was kicked, discard your hand, then draw two cards.

Flying, vigilance

As Belbe's Portal enters the battlefield, choose a creature type.

{3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.

Flash

Flying

When Blizzard Strix enters the battlefield, if you control another snow permanent, exile target permanent other than Blizzard Strix. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Flying

Bloodfeather Phoenix can't block.

Whenever an instant or sorcery spell you control deals damage to an opponent or battle, you may pay {R}. If you do, return Bloodfeather Phoenix from your graveyard to the battlefield. It gains haste until end of turn.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Flying

When Bogardan Phoenix dies, exile it if it had a death counter on it. Otherwise, return it to the battlefield under your control and put a death counter on it.

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Enchant creature

At the beginning of your upkeep, you may look at the top five cards of your library. If you do, you may put a creature card that shares a creature type with enchanted creature from among them onto the battlefield, then you put the rest of those cards on the bottom of your library in any order.

You may choose not to untap Callous Oppressor during your untap step.

As Callous Oppressor enters the battlefield, an opponent chooses a creature type.

{T}: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.

Flying

When Carrier Pigeons enters the battlefield, draw a card at the beginning of the next turn's upkeep.

Flying

When Cartographer's Hawk deals combat damage to a player who controls more lands than you, return it to its owner's hand. If you do, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Flying

When Celestial Gatekeeper dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlefield.

Target creature gains flying until end of turn.

Draw a card.

Flying

Clockwork Condor enters the battlefield with three +1/+1 counters on it.

Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Flying

When Cloudchaser Eagle enters the battlefield, destroy target enchantment.

Flying

When Cloudchaser Kestrel enters the battlefield, destroy target enchantment.

{W}: Target permanent becomes white until end of turn.

Flying

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

As long as you control a Bird, Cloudreach Cavalry gets +2/+2 and has flying.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying

Inklings can't attack you or planeswalkers you control.

Whenever a player attacks one of your opponents, that attacking player creates a tapped 2/1 white and black Inkling creature token with flying that's attacking that opponent.

Equipped creature gets +1/+1 and has vigilance.

Whenever equipped creature attacks, look at the top six cards of your library. You may reveal a card that shares a creature type with that creature from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Equip {1}

Choose a creature type. Coordinated Barrage deals damage to target attacking or blocking creature equal to the number of permanents you control of the chosen type.

Flying, vigilance

Flying

Whenever Coveted Peacock attacks, you may goad target creature defending player controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Flying

Whenever Crimson Roc blocks a creature without flying, Crimson Roc gets +1/+0 and gains first strike until end of turn.

Flying

Tap two untapped Birds you control: Draw a card.

Tap two untapped Wizards you control: Target creature gains flying until end of turn.

Flash

Flying

When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.

Flying

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

Flying

When Dawnfeather Eagle enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn.

As Doom Cannon enters the battlefield, choose a creature type.

{3}, {T}, Sacrifice a creature of the chosen type: Doom Cannon deals 3 damage to any target.

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

({W/U} can be paid with either {W} or {U}.)

Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

Flying, protection from Dragons

Flying

When Dream Strix becomes the target of a spell, sacrifice it.

When Dream Strix dies, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Flying

{T}: Target land becomes the basic land type of your choice until end of turn.

Mutate {3}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, draw a card.

{U}: Dukhara Peafowl gains flying until end of turn.

Flying, protection from black

Flying, protection from black

Suspend 3--{1}{W} (Rather than cast this card from your hand, you may pay {1}{W} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Flying

When Eagles of the North enters the battlefield, creatures you control get +1/+0 and gain first strike until end of turn.

Plainscycling {1} ({1}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Flying

When Echo Inspector enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

Flying

Other creatures you control with flying get +1/+1.

Flying

Spells your opponents cast that target one or more commanders you control cost {3} more to cast.

Partner (You can have two commanders if both have partner.)

Flying

Mutate {3}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, create a red artifact token named Feather with "{1}, Sacrifice Feather: Return target Phoenix card from your graveyard to the battlefield tapped."

Flying

When Expedition Raptor enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Create a 1/1 white Bird creature token with flying, then populate. (Create a token that's a copy of a creature token you control.)

Whenever a creature dies, tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it.

Whenever Falconer Adept attacks, create a 1/1 white Bird creature token with flying that's tapped and attacking.

Flying

Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Fire-Omen Crane attacks, it deals 1 damage to target creature an opponent controls.

Flying

Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)

When Flame-Wreathed Phoenix enters the battlefield, if tribute wasn't paid, it gains haste and "When this creature dies, return it to its owner's hand."

Flying, haste

Flamewake Phoenix attacks each combat if able.

Ferocious -- At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may pay {R}. If you do, return Flamewake Phoenix from your graveyard to the battlefield.

Fledgling Osprey has flying as long as it's enchanted.

Equipped creature has flying and haste.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Flying

When Foul Watcher enters the battlefield, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Delirium -- Foul Watcher gets +1/+0 as long as there are four or more card types among cards in your graveyard.

Flying, protection from red

Flying

When Frost Trickster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying

Flying

When Giant Albatross dies, you may pay {1}{U}. If you do, for each creature that dealt damage to Giant Albatross this turn, destroy that creature unless its controller pays 2 life. A creature destroyed this way can't be regenerated.

Flying

Gitaxian Raptor enters the battlefield with three oil counters on it.

Remove an oil counter from Gitaxian Raptor: Gitaxian Raptor gets +1/-1 until end of turn.

Flying

{5}{W}: The next time damage would be dealt to Glarecaster and/or you this turn, that damage is dealt to any target instead.

Flying

When Glint Hawk enters the battlefield, sacrifice it unless you return an artifact you control to its owner's hand.

Flying

When Glint-Nest Crane enters the battlefield, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Flying

Whenever a creature you control becomes blocked, you may untap that creature and remove it from combat.

Flying

Whenever Gustcloak Skirmisher becomes blocked, you may untap it and remove it from combat.

This spell costs {2} less to cast as long as you've drawn two or more cards this turn.

Flying, vigilance

Other Birds you control have vigilance.

Flying

Whenever Gwaihir attacks, target attacking creature gains flying until end of turn.

At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this creature attacks, target attacking creature gains flying until end of turn."

Flying, lifelink

Flying, lifelink

Flying

High Sentinels of Arashin gets +1/+1 for each other creature you control with a +1/+1 counter on it.

{3}{W}: Put a +1/+1 counter on target creature.

Flying

{U}, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Immortal Phoenix dies, return it to its owner's hand.

Flying

Whenever Impaler Shrike deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

Flash

As Instruments of War enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Flying

Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.

Partner (You can have two commanders if both have partner.)

Flying

When Ithilien Kingfisher dies, draw a card.

Flying

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Flying

When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Cumulative upkeep {W} or {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Jötun Owl Keeper dies, create a 1/1 white Bird creature token with flying for each age counter on it.

Flying

Whenever Kangee's Lieutenant attacks, attacking creatures with flying get +1/+1 until end of turn.

Encore {5}{W} ({5}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Kicker {X}{2} (You may pay an additional {X}{2} as you cast this spell.)

Flying

When Kangee, Aerie Keeper enters the battlefield, if it was kicked, put X feather counters on it.

Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

Flying, vigilance

Whenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn.

Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn.

Flying

Unearth {2}{U} ({2}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Flying

{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Homunculus Servant -- When Kenku Artificer enters the battlefield, put three +1/+1 counters on up to one target noncreature artifact. That artifact becomes a 0/0 Homunculus artifact creature with flying.

As Kindred Boon enters the battlefield, choose a creature type.

{1}{W}: Put a divinity counter on target creature you control of the chosen type.

Each creature you control with a divinity counter on it has indestructible.

As Kindred Boon enters the battlefield, choose a creature type.

{1}{W}: Put a divinity counter on target creature you control of the chosen type.

Each creature you control with a divinity counter on it has indestructible.

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

Flying

When Kingfisher dies, draw a card.

Flash

Flying

When Koilos Roc enters the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Konda's Banner can be attached only to a legendary creature.

Creatures that share a color with equipped creature get +1/+1.

Creatures that share a creature type with equipped creature get +1/+1.

Equip {2}

Flying

Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.

Sacrifice a Spirit: Add {R}.

Flying

Whenever two or more creatures you control attack a player, target attacking creature without flying gains flying until end of turn.

Flying

Whenever a player casts their second spell each turn, Ledger Shredder connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Flying

{1}{W}, Sacrifice Lieutenant Kirtar: Exile target attacking creature.

Flying, haste

Lightning Phoenix can't block.

At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return Lightning Phoenix from your graveyard to the battlefield.

Defender, flying

Whenever you cast a white spell, Loyal Gyrfalcon loses defender until end of turn.

Flying

When Magma Phoenix dies, it deals 3 damage to each creature and each player.

{3}{R}{R}: Return Magma Phoenix from your graveyard to your hand.

Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

Flying

Whenever Meneldor, Swift Savior deals combat damage to a player, exile up to one target creature you own, then return it to the battlefield under your control.

Flying

Whenever Mercurial Kite deals combat damage to a creature, tap that creature. That creature doesn't untap during its controller's next untap step.

Flying

{1}{W}: Mesa Falcon gets +0/+1 until end of turn.

Flying

Council's dilemma -- When Messenger Jays enters the battlefield, starting with you, each player votes for feather or quill. Put a +1/+1 counter on Messenger Jays for each feather vote and draw a card for each quill vote. For each card drawn this way, discard a card.

Create four 1/1 white Bird creature tokens with flying.

Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Flying

{2}: Target player mills a card. Mindshrieker gets +X/+X until end of turn, where X is the milled card's mana value.

Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast.

{T}: Mistform Warchief becomes the creature type of your choice until end of turn.

As Molten Echoes enters the battlefield, choose a creature type.

Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Defender, flying

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying

Whenever another creature dies, you may draw a card. If you do, discard a card.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Flying

At the beginning of combat on your turn, populate. (Create a token that's a copy of a creature token you control.)

Whenever a creature token enters the battlefield under your control, put a +1/+1 counter on Nesting Dovehawk.

Up to two target creatures can't block this turn.

Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash

Flying

Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

When Ominous Roost enters the battlefield or whenever you cast a spell from your graveyard, create a 1/1 blue Bird creature token with flying and "This creature can block only creatures with flying."

Domain -- Create a 1/1 blue Bird creature token with flying for each basic land type among lands you control.

Flying

Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)

When Ornitharch enters the battlefield, if tribute wasn't paid, create two 1/1 white Bird creature tokens with flying.

Flying

When Palace Familiar dies, draw a card.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flying, haste

Phoenix Chick can't block.

Whenever you attack with three or more creatures, you may pay {R}{R}. If you do, return Phoenix Chick from your graveyard to the battlefield tapped and attacking with a +1/+1 counter on it.

Flying, haste

{2}{R}: Phoenix of Ash gets +2/+0 until end of turn.

Escape--{2}{R}{R}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Phoenix of Ash escapes with a +1/+1 counter on it.

Flying

{S}, {T}: Draw a card, then discard a card. ({S} can be paid with one mana from a snow source.)

Mutate {2}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

{T}: This creature deals X damage to any target, where X is the number of times this creature has mutated.

Flying

When Preening Champion enters the battlefield, create a 1/1 blue and red Elemental creature token.

Flying

Pride of the Clouds gets +1/+1 for each other creature with flying on the battlefield.

Forecast -- {2}{W}{U}, Reveal Pride of the Clouds from your hand: Create a 1/1 white and blue Bird creature token with flying. (Activate only during your upkeep and only once each turn.)

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

As Radiant Destiny enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1. As long as you have the city's blessing, they also have vigilance.

Flying

{1}: Rainbow Crow becomes the color of your choice until end of turn.

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.

As Rally the Ranks enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Flying

Echo {2}{U} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Raven Familiar enters the battlefield, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Equipped creature gets +1/+0, has flying, and is a Bird in addition to its other types.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying.

Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

As Realmwright enters the battlefield, choose a basic land type.

Lands you control are the chosen type in addition to their other types.

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

Flying

When Rekindling Phoenix dies, create a 0/1 red Elemental creature token with "At the beginning of your upkeep, sacrifice this creature and return target card named Rekindling Phoenix from your graveyard to the battlefield. It gains haste until end of turn."

Flying

Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.

{1}{S}: Put an ice counter on target permanent.

Permanents with ice counters on them are snow.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Choose a creature type. Roar of the Crowd deals damage to any target equal to the number of permanents you control of the chosen type.

Defender (This creature can't attack.)

When Roc Egg dies, create a 3/3 white Bird creature token with flying.

Roc Hatchling enters the battlefield with four shell counters on it.

At the beginning of your upkeep, remove a shell counter from Roc Hatchling.

As long as Roc Hatchling has no shell counters on it, it gets +3/+2 and has flying.

Flying

When Rukh Egg dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step.

Flying

When Runewing dies, draw a card.

Flying

When Runewing dies, draw a card.

Flying

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Sage Aven enters the battlefield, look at the top four cards of your library, then put them back in any order.

Flying

When Sage Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

Flying

When Sawtooth Loon enters the battlefield, return a white or blue creature you control to its owner's hand.

When Sawtooth Loon enters the battlefield, draw two cards, then put two cards from your hand on the bottom of your library.

Exile target creature card from your graveyard. Create X 1/1 white Bird creature tokens with flying, where X is the exiled card's toughness.

Flying

Keen Sight -- When Scouting Hawk enters the battlefield, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Flying

When Screaming Seahawk enters the battlefield, you may search your library for a card named Screaming Seahawk, reveal it, put it into your hand, then shuffle.

Flying

Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.)

{2}{U}: Put Screaming Swarm from your graveyard into your library second from the top.

Flying

Metalcraft -- Whenever Screeching Silcaw deals combat damage to a player, if you control three or more artifacts, that player mills four cards.

Flying

{T}: Add {C}.

{W}{U}, {T}, Sacrifice a Bird: Draw a card.

Flying

{1}{W}: Senate Courier gains vigilance until end of turn.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Flying

When Shivan Phoenix dies, return Shivan Phoenix to its owner's hand.

Flying, trample

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters the battlefield with three +1/+1 counters on it.)

Flying

{R}{R}{R}: Return Skarrgan Firebird from your graveyard to your hand. Activate only if an opponent was dealt damage this turn.

Flying, lifelink

{3}{W}: You and target opponent each draw a card.

Flying

Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn.

Flying

When Skyboon Evangelist enters the battlefield, support 6. (Put a +1/+1 counter on each of up to six other target creatures.)

Whenever a creature with a counter on it attacks one of your opponents, that creature gains flying until end of turn.

Flying

Skycat Sovereign gets +1/+1 for each other creature you control with flying.

{2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

Flying, haste

When you cast your commander, return Skyfire Phoenix from your graveyard to the battlefield.

Flying

Whenever Skymark Roc attacks, you may return target creature defending player controls with toughness 2 or less to its owner's hand.

Cast this spell only if you've cast another spell this turn.

Flying

Flying, vigilance

Flying

Flying

Escape--{3}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Skyway Robber escapes with "Whenever Skyway Robber deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with Skyway Robber without paying its mana cost."

Flying

Escape--{3}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Skyway Robber escapes with "Whenever Skyway Robber deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with Skyway Robber without paying its mana cost."

Flying

When Soaring Show-Off enters the battlefield, each player draws a card.

Bird creatures get +1/+1.

{1}{W}: Target Bird creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Flying

When Soul of Migration enters the battlefield, create two 1/1 white Bird creature tokens with flying.

Evoke {3}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.

Whenever a Bird is put into your graveyard from the battlefield, put a feather counter on Soulcatchers' Aerie.

Bird creatures get +1/+1 for each feather counter on Soulcatchers' Aerie.

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, gain control of target noncreature artifact.

Flying

When Speakeasy Server enters the battlefield, you gain 1 life for each other creature you control.

Flying

Instant and sorcery spells you cast with mana value 5 or greater cost {1} less to cast.

Flying

When Spire Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

Flying

Whenever Steel-Plume Marshal attacks, other attacking creatures you control with flying get +2/+2 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying

White spells and black spells you cast cost {1} less to cast.

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

Flying

When Supply-Line Cranes enters the battlefield, put a +1/+1 counter on target creature.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Flying

If a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

Flying

Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create a 1/1 blue Bird creature token with flying. You gain 2 life.

II -- Whenever one or more creatures you control with flying deal combat damage to a player this turn, look at that player's hand and draw a card.

III -- You may put a card you own from outside the game on top of your library.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Thieving Magpie deals damage to an opponent, draw a card.

Flying

Whenever Umara Raptor or another Ally enters the battlefield under your control, you may put a +1/+1 counter on Umara Raptor.

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

Flash

Flying

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, put a +1/+1 counter on it.

Whenever an opponent casts an instant or sorcery spell, they may pay {2}. If they don't, you may copy that spell. You may choose new targets for the copy.

Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life.

Flying

Creature spells with flying you cast cost {1} less to cast.

Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn.

Enchant creature

Enchanted creature can't attack.

Tap two untapped creatures you control that share a creature type: Exile enchanted creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Welkin Tern can block only creatures with flying.

Flying

Attacking creatures you control have lifelink.

Flying

Raid -- When Wingmate Roc enters the battlefield, if you attacked this turn, create a 3/4 white Bird creature token with flying.

Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.

Flying

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

Flying

As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.

Flying, vigilance

Flying

Other Griffin creatures get +1/+1.