Flying

Whenever Aetherstorm Roc or another creature you control enters, you get (an energy counter).

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.

Flying

When Aethertide Whale enters, you get six (energy counters).

Pay : Return Aethertide Whale to its owner's hand.

Put target attacking or blocking creature on top of its owner's library.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Flying

Aetherwing, Golden-Scale Flagship's power is equal to the number of artifacts you control.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.)

Aeve, Progenitor Ooze isn't legendary if it's a token.

Aeve enters with a +1/+1 counter on it for each other Ooze you control.

Vigilance

Target creature gets -1/-1 until end of turn.

Draw a card.

Afiya Grove enters with three +1/+1 counters on it.

At the beginning of your upkeep, move a +1/+1 counter from Afiya Grove onto target creature.

When Afiya Grove has no +1/+1 counters on it, sacrifice it.

Creatures you control gain afterlife 1 until end of turn. Draw a card. (When a creature with afterlife 1 dies, create a 1/1 white and black Spirit creature token with flying.)

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

As Agadeem, the Undercrypt enters, you may pay 3 life. If you don't, it enters tapped.

: Add .

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.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

Whenever another creature you control enters, this creature deals 1 damage to each opponent.

Activated abilities of creatures you control cost less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.

: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

You may spend mana as though it were mana of any color to activate abilities of creatures you control.

Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.

: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

Whenever you gain life, put that many +1/+1 counters on Ageless Entity.

Defender (This creature can't attack.)

Flying

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

Flying

When Agency Outfitter enters, you may search your graveyard, hand and/or library for a card named Magnifying Glass and/or a card named Thinking Cap and put them onto the battlefield. If you search your library this way, shuffle.

Draft Agent of Acquisitions face up.

Instead of drafting a card from a booster pack, you may draft each card in that booster pack, one at a time. If you do, turn Agent of Acquisitions face down and you can't draft cards for the rest of this draft round. (You may look at booster packs passed to you.)

: Agent of Horizons can't be blocked this turn.

, : Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down.

: Add .

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

When Agent of Treachery enters, gain control of target permanent.

At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Aggravate deals 1 damage to each creature target player controls. Each creature dealt damage this way attacks this turn if able.

Enchant non-Wall creature

Enchanted creature has first strike and trample.

At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.

At the beginning of your combat step, tap CARDNAME.

: Add or .

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Other creatures you control have trample.

Kicker (You may pay an additional as you cast this spell.)

Target player discards two cards. If this spell was kicked, it deals 3 damage to that player.

Enchant creature

Enchanted creature gets +1/+1 and has flanking. <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

At the beginning of your end step, each player may put two +1/+1 counters on a creature they control. Goad each creature that had counters put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Look at target player's hand and choose two cards from it. Put them on top of that player's library in any order.

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

Enchant creature

Enchanted creature gets -5/-0.

: Return Agoraphobia to its owner's hand.

Double strike, vigilance

Whenever Agrus Kos, Spirit of Justice enters or attacks, choose up to one target creature. If it's suspected, exile it. Otherwise, suspect it. (A suspected creature has menace and can't block.)

You may exert Ahn-Crop Champion as it attacks. When you do, untap all other creatures you control. (An exerted creature won't untap during your next untap step.)

During your turn, Ahn-Crop Invader has first strike.

, Sacrifice another creature: Ahn-Crop Invader gets +2/+0 until end of turn.

Choose one or both —

• Return target creature card from your graveyard to your hand.

• Return target planeswalker card from your graveyard to your hand.

Untap target creature. It gets +2/+2 and gains reach until end of turn. (It can block creatures with flying.)

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

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

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Ainok Survivalist is turned face up, destroy target artifact or enchantment an opponent controls.

Enchant creature

Enchanted creature has flying.

Enchanted creature can block only creatures with flying.

: Target Soldier gains flying until end of turn.

Draw a card for each Bird on the battlefield.

Flying

Revolt — When Airdrop Aeronauts enters, if a permanent you controlled left the battlefield this turn, you gain 5 life.

Flying

When Airlift Chaplain enters, mill three cards. You may put a Plains card or a creature card with mana value 3 or less from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Airlift Chaplain. (To mill a card, put the top card of your library into your graveyard.)

Whenever Aisling Leprechaun blocks or becomes blocked by a creature, that creature becomes green. <I>(This effect lasts indefinitely.)</I>

+1: You gain 2 life.

−1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

−6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."

+2: Reveal the top three cards of your library. Put all nonland permanent cards revealed this way into your hand and the rest on the bottom of your library in any order.

−2: Exile target creature. Its controller gains life equal to its power.

−9: Put five +1/+1 counters on each creature you control and five loyalty counters on each other planeswalker you control.

+1: Put a +1/+1 counter on each of up to two target creatures.

−2: Return target creature card with mana value 2 or less from your graveyard to the battlefield.

−7: You get an emblem with "At the beginning of your end step, create three 1/1 white Cat creature tokens with lifelink."