Destroy target tapped creature. You gain 1 life for each creature you control with flying.

Draw a card for each Bird on the battlefield.

Whenever a creature enters the battlefield under your control, you gain 1 life.

Whenever a creature enters the battlefield under your control, you gain life equal to its toughness.

{T}: Add {C}.

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

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

Flying

Whenever Archon of Redemption or another creature with flying enters the battlefield under your control, you may gain life equal to that creature's power.

Flying

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

{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.

{1}, {T}: Add {W}{U}.

{T}: Add {C}.

{1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

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.)

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.

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.

Celestial Colonnade enters the battlefield tapped.

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

{3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

Whenever another permanent you control becomes the target of a spell or ability an opponent controls, you may return that permanent to its owner's hand.

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

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

Sacrifice Commander's Sphere: Draw a card.

Counter target spell.

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.

For each opponent, choose up to one target creature that player controls, then return that creature to its owner's hand unless its controller has you draw a card.

Choose a creature type. Draw a card for each permanent you control of that type.

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.

{T}: Add {C}.

{1}, {T}, Sacrifice Esper Panorama: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost.

Flash

Creatures you control get +1/+1.

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

Glacial Floodplain enters the battlefield tapped.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

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.

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

As Heraldic Banner enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

Flying

If you would gain life, you gain that much life plus 1 instead.

{1}{W}: Heron of Hope gains lifelink until end of turn.

As Icon of Ancestry enters the battlefield, choose a creature type.

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

{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

Irrigated Farmland enters the battlefield tapped.

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

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

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.)

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.

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.

Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.

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.)

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

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.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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.

{T}: Add {C}.

{T}: Add {W}. Activate only if you control an Island.

{T}: Add {U}. Activate only if you control a Plains.

Whenever a creature you control deals combat damage, you gain that much life.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Flying

{T}: Add one mana of any color.

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.)

As long as your life total is greater than or equal to your starting life total, creatures you control get +1/+1.

Whenever one or more creatures you control attack, you gain life equal to the number of attacking creatures.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

Forecast -- {W}{U}, Reveal Plumes of Peace from your hand: Tap target creature. (Activate only during your upkeep and only once each turn.)

Flash

Defender, flying

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

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

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

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

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.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.

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

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

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.)

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

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

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands.

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

{T}: Add {C}.

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

Sejiri Refuge enters the battlefield tapped.

When Sejiri Refuge enters the battlefield, you gain 1 life.

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

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.

{1}, {T}: Add {W}{U}.

Enchant creature

When So Shiny enters the battlefield, if you control a token, tap enchanted creature, then scry 2.

Enchanted creature doesn't untap during its controller's untap step.

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

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

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

Flying

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

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

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

(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.

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

Flying

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

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

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

Enchant creature without flying

Enchanted creature can't attack or block, and its activated abilities can't be activated.

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

As Unclaimed Territory enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Flying

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

{T}: Add {C}.

{2}, {T}, Sacrifice Warped Landscape: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.

Flying

Attacking creatures you control have lifelink.

Flying

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

Target player sacrifices an attacking creature.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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.

When Wingspan Mentor enters the battlefield, put a flying counter on target non-Human creature you control.

{2}{U}, {T}: Put a +1/+1 counter on each creature you control with flying.