Convoke
Target creature gets +2/+2 and gains flying until end of turn.

Flying
When Aerialephant enters the battlefield, you get , then you may put a sticker on a nonland permanent you own.

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.

Target creature gets +1/+1 and gains flying and first strike until end of turn.

Enchant creature or Vehicle
As long as enchanted permanent is a Vehicle, it's a creature in addition to its other types.
Enchanted creature gets +2/+2 and has flying.

Flying
Whenever Aerial Surveyor attacks, if defending player controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.
Crew 2

Flying
, Sacrifice another artifact: Aerial Toastmaster assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Flying
When Aerie Auxiliary enters the battlefield, support 2.

Flying
: Creatures you control gain shroud until end of turn.

Lifelink
Whenever you gain life, put a +1/+1 counter on Aerith Gainsborough.
When Aerith Gainsborough dies, put X +1/+1 counters on each legendary creature you control, where X is the number of +1/+1 counters on Aerith Gainsborough.

Choose one —
• Take the Elevator — Create three 1/1 colorless Hero creature tokens.
• Take 59 Flights of Stairs — Tap up to three target creatures. Put a stun counter on one of them.

, : Roll a six-sided die. On a 6, sacrifice Aerobics Instructor. Otherwise, you gain life equal to the result.

Flying
Vehicles you control have flying.

Flying
When Aeronaut Cavalry enters the battlefield, put a +1/+1 counter on another target Soldier you control.

Whenever Aethergeode Miner attacks, you get .
Pay : Exile Aethergeode Miner, then return it to the battlefield under its owner's control.

Vigilance
When Aether Inspector enters the battlefield, you get .
Whenever Aether Inspector attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.

At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn.

Choose one —
• Tap all Spirits.
• Tap all non-Spirit creatures.

Flying
Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get .
Whenever Aetherstorm Roc attacks, you may pay . If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Flash
When Affa Guard Hound enters the battlefield, target creature gets +0/+3 until end of turn.

Destroy target creature. It can't be regenerated. Its controller creates a 1/1 white Spirit creature token with flying.

Choose one or both —
• Exile target artifact or creature you control, then return it to the battlefield under its owner's control.
• Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield.

Defender
Flying
When Ageless Sentinels blocks, it becomes a Bird Giant, and it loses defender. (It's no longer a Wall. This effect lasts indefinitely.)

Tap up to two target creatures.
Whenever you put a name sticker on a creature, you may return A Good Day to Pie from your graveyard to your hand.

Vigilance
Whenever Agrus Kos, Eternal Soldier becomes the target of an ability that targets only it, you may pay . If you do, copy that ability for each other creature you control that ability could target. Each copy targets a different one of those creatures.

Whenever another creature enters under your control, you gain 1 life and get (an energy counter).
Whenever you attack, you may pay . When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

Whenever a Samurai or Warrior you control attacks alone, tap target creature you don't control.

Outlast
Each creature you control with a +1/+1 counter on it has first strike.