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 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.)

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 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.)

Flying, lifelink

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

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

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

Draw a card for each Bird on the battlefield.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card." At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice Curious Obsession.

Each player discards any number of cards, then draws that many cards. Draw a card.

Draw a card for each attacking creature.

Flying Whenever you attack with one or more creatures with counters on them, draw a card.

Whenever you attack with two or more creatures, draw a card.

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.)

Enchant creature As long as enchanted creature is attacking alone, it can't be blocked. Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

Enchant creature Enchanted creature gets +1/+1 and has lifelink and "Whenever this creature deals combat damage to a player, draw a card."

Draw three cards. Then discard two cards unless you discard a basic land card.

Flying Whenever you attack with two or more creatures with flying, draw a card.

Defender {T}: Creatures you control gain haste until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Azorius Chancery enters the battlefield tapped. When Azorius Chancery enters the battlefield, return a land you control to its owner's hand. {T}: Add {W}{U}.

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.

{T}: Add {C}. {1}, {T}: Put a storage counter on Calciform Pools. {1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}.

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

{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.

Gates of Istfell enters the battlefield tapped. {T}: Add {W}. {2}{W}{U}{U}, {T}, Sacrifice Gates of Istfell: You gain 2 life and draw two cards.

({T}: Add {U}.)

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 {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

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

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.)

({T}: Add {W}.)

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

Skybridge Towers enters the battlefield tapped. {T}: Add {W} or {U}. {2}{W}{U}, {T}, Sacrifice Skybridge Towers: Draw a card.

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.)

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

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 At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them. Choose a Background (You can have a Background as a second commander.)

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

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Signal Pest can't be blocked except by creatures with flying or reach.

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, vigilance Other nontoken creatures you control get +1/+1 and have vigilance.

Flash (You may cast this spell any time you could cast an instant.) Flying Other creatures you control with flying get +1/+1.

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

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

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

Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

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

Flying {T}: Add one mana of any color.

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.

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

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

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.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Choose one or both — • Exile target artifact. • Exile target enchantment.

Tap all creatures without flying.

{U}{U}: Tap target creature without flying.

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

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 unless its controller pays {3}.

Counter target noncreature spell.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Counter target noncreature spell unless its controller pays {1}. Ferocious — If you control a creature with power 4 or greater, counter that spell 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.

Destroy target artifact or enchantment.

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.)

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 Other creatures you control with flying get +0/+1. {T}: Other creatures you control with flying get +1/+0 until end of turn.