Cast this spell only during the declare attackers step and only if you've been attacked this step.

Destroy target nonblack attacking creature.

Assault deals 2 damage to any target.

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

: Target Assembly-Worker creature gets +1/+1 until end of turn.

Each other Donkey gets +1½/+1½.

Whenever another Donkey enters, untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Whenever a player cycles a card, you may exile target creature. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step.

, , Sacrifice Astrolabe: Add two mana of any one color. Draw a card at the beginning of the next turn's upkeep.

Indestructible

As long as your devotion to white and black is less than seven, Athreos isn't a creature.

Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

First strike

When Attended Knight enters, create a 1/1 white Soldier creature token.

Return Attunement to its owner's hand: Draw three cards, then discard four cards.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Sacrifice Augur il-Vec: You gain 4 life. Activate only during your upkeep.

: Regenerate Augur of Skulls.

Sacrifice Augur of Skulls: Target player discards two cards. Activate only during your upkeep.

Flying

When Augury Owl enters, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Auntie's Snitch can't block.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.)

Whenever a Goblin or Rogue you control deals combat damage to a player, if Auntie's Snitch is in your graveyard, you may return Auntie's Snitch to your hand.

Destroy target enchantment.

Draw a card.

Attach target Aura you control to target creature.

Draw a card.

Sacrifice a land: Destroy target enchantment.

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

Enchant creature

, Tap an untapped creature you control: Untap enchanted creature.

Whenever a creature you control enters, you may destroy target artifact or enchantment.

When Auramancer enters, you may return target enchantment card from your graveyard to your hand.

Sacrifice an enchantment: Auratog gets +2/+2 until end of turn.

Flying, vigilance, haste

Whenever Aurelia attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Whenever a creature deals damage to you, put a gold counter on it.

Each creature with a gold counter on it is a Wall in addition to its other creature types and has defender. (Those creatures can't attack.)

When Aurification leaves the battlefield, remove all gold counters from all creatures.

Protection from black and from red

Whenever another creature enters, you may gain 1 life.

As long as Auriok Glaivemaster is equipped, it gets +1/+1 and has first strike.

: Return target artifact card with mana value 1 or less from your graveyard to your hand.

Equip costs you pay cost less.

As long as Auriok Steelshaper is equipped, each creature you control that's a Soldier or a Knight gets +1/+1.

When Auriok Survivors enters, you may return target Equipment card from your graveyard to the battlefield. If you do, you may attach it to Auriok Survivors.

Flying

: Attach target Equipment you control to target creature you control.

Trample

When Aurochs Herd enters, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Flying

: Target permanent becomes white until end of turn.

Choose two —

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

Shroud (This creature can't be the target of spells or abilities.)

: Until end of turn, Autumn Willow can be the target of spells and abilities controlled by target player as though it didn't have shroud.

: Attach target Aura attached to a creature to another creature.

, : Tap target non-Human creature.

: Add .

Haste

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Avalanche Riders enters, destroy target land.

: Exchange control of Avarice Totem and target nonland permanent.

If an opponent controls seven or more lands, this spell costs less to cast.

Flying

: Avatar of Fury gets +1/+0 until end of turn.

This spell costs more to cast for each ten years you've been alive.

Avatar of Me's power is equal to your height in feet and its toughness is equal to your American shoe size. Round to the nearest ½.

Avatar of Me is the color of your eyes.

All creatures have double strike and attack each combat if able.

If there are ten or more creature cards total in all graveyards, this spell costs less to cast.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

: Destroy target creature. It can't be regenerated.

Flying

Sacrifice Aven Augur: Return up to two target creatures to their owners' hands. Activate only during your upkeep.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aven Cloudchaser enters, destroy target enchantment.

Flying

Whenever a permanent is turned face up, put a +1/+1 counter on Aven Farseer.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aven Fisher dies, you may draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Aven Flock gets +0/+1 until end of turn.