{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

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.

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.)

{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

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.)

Flash

Flying

When Aven Interrupter enters the battlefield, exile target spell. It becomes plotted. (Its owner may cast it as a sorcery on a later turn without paying its mana cost.)

Spells your opponents cast from graveyards or from exile cost {2} more to cast.

Flash

Flying

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

{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.

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

{1}{U}, {T}: Creatures your opponents control attack this turn if able.

Draw three cards, then put two cards from your hand on top of your library in any order.

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

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.

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

As Cavern of Souls 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, and that spell can't be countered.

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

Creatures you control get +1/+1 for each time you've cast your commander from the command zone this game.

Counter target spell.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

You have no maximum hand size.

{T}: Add one mana of any color.

Deserted Beach enters the battlefield tapped unless you control two or more other lands.

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

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.

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.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

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.)

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. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.)

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

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

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

Legendary creatures you control get +2/+1 and have ward {1}.

Nonlegendary creatures you control get +1/+1.

Glacial Fortress enters 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.

This spell costs {2} less to cast if you control a creature with flying.

Return target nonland permanent you don't control to its owner's hand.

Draw a card.

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.

({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.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

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

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.)

({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.

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.

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

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

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.)

Creatures without flying can't attack.

+2: Until your next turn, up to one target creature gets -2/-0 and loses flying.

-3: Create a 4/4 blue Elemental Bird creature token with flying.

-8: You get an emblem with "Islands you control have '{T}: Draw 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.

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Path of Ancestry enters 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.)

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

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

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

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

You have no maximum hand size.

{T}: Add {C}.

Restless Anchorage enters the battlefield tapped.

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

{1}{W}{U}: Until end of turn, Restless Anchorage becomes a 2/3 white and blue Bird creature with flying. It's still a land.

Whenever Restless Anchorage attacks, create a Map token.

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

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

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.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

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

{T}: Add {C}.

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

Partner with Brallin, Skyshark Rider

Flying

Whenever you draw a card, put a +1/+1 counter on Shabraz, the Skyshark and you gain 1 life.

{W/U}: Target Human gains flying until end of turn.

Flying

When Silver Raven enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{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.

Enchant creature

As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

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.

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

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

Equip {1}

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

{T}: Add {C}.

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

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)

Exile Teferi's Protection.

Temple of Enlightenment enters tapped.

When Temple of Enlightenment enters, scry 1.

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

(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

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Tranquil Cove enters the battlefield tapped.

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

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

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

As Vanquisher's Banner enters the battlefield, choose a creature type.

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

Whenever you cast a creature spell of the chosen type, draw a card.

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

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.