Draw a card for each Bird on 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.)

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.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

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.)

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension.

As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

Whenever a creature enters the battlefield this turn, you may draw a card.

Fuse (You may cast one or both halves of this card from your hand.)

---

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

Fuse (You may cast one or both halves of this card from your hand.)

Flying

{T}: Add one mana of any color.

Bountiful Promenade enters the battlefield tapped unless you have two or more opponents.

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

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {G} or {W}.)

Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

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.

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

{T}: Add one mana of any of the exiled card's colors.

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.)

{T}: Add one mana of any color in your commander's color identity.

Flying

Tap two untapped Birds you control: Draw a card.

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

Flying

You have no maximum hand size.

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

Flying

Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent.

{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

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.)

{T}: Add one mana of any color that a land an opponent controls could produce.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Creatures you control with flying get +1/+1.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.

Flying

When Gilded Goose enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

{1}{G}, {T}: Create a Food token.

{T}, Sacrifice a Food: Add one mana of any color.

Creatures with flying get +2/+0.

Creatures without flying get -2/-0.

Flying

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

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.

Flying, lifelink

Flying

Morph {1}{G}{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.)

When Icefeather Aven is turned face up, you may return another target creature to its owner's hand.

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

Creatures you control with flying have "Spells your opponents cast that target this creature cost {2} more to cast."

Flying

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

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

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

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

{T}: Add {C}{C}.

Flying

When Messenger Falcons enters the battlefield, draw 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.)

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

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.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.)

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.)

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

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

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Flying

{3}{G}{U}: You gain 2 life and draw a card.

Seaside Citadel enters the battlefield tapped.

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

{T}: Add {C}.

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

You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost.

Flying, lifelink

Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)

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

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

{T}: Add {C}{C}.

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.

Flying

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

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

Exile target creature. Its controller gains life equal to its power.

+1: Choose up to two target creatures. Until your next turn, whenever either of those creatures deals combat damage, you draw a card.

-2: Tap up to two target nonland permanents. They don't untap during their controller's next untap step.

-7: Draw three cards. You get an emblem with "You may cast spells from your hand without paying their mana costs."

({T}: Add {G} or {W}.)

As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Flash (You may cast this spell any time you could cast an instant.)

Flying

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

Flying

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

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.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Windbrisk Heights enters the battlefield tapped.

{T}: Add {W}.

{W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Flying

Whenever a creature with flying attacks, you may draw a card.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Cleave {4}{G}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Draw a card for each creature [with flying] you control.

This spell costs {1} less to cast if you control a creature with flying.

Draw two cards.

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.

{T}: Add {C}.

{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.