When Arashin Cleric enters the battlefield, you gain 3 life.

Flying

When Arashin Sovereign dies, you may put it on the top or bottom of its owner's library.

, Exile cards from your graveyard equal to the number of opponents you have: Target creature card in your graveyard gains encore until end of turn. The encore cost is equal to its mana cost. (Exile the creature card and pay its mana cost: 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.)

When Arbalest Engineers enters the battlefield, choose one —

• Arbalest Engineers deals 1 damage to any target.

• Put a +1/+1 counter on target creature. It gains trample and haste until end of turn.

• Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Flying

Inspired — Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.

Equipped creature has ": This creature deals 1 damage to target creature that's blocking it."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying, vigilance

Whenever a creature with defender enters the battlefield under your control, draw a card.

Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender.

, : Target player draws a card, then exiles a card from their hand. If a creature card is exiled this way, that player creates a token that's a copy of that card.

When Arcane Artisan leaves the battlefield, exile all tokens created with it at the beginning of the next end step.

, : Draw a card.

You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Search the Room — : Roll a d20.

1–9 | Draw a card.

10–20 | 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.

: Add one mana of any color in your commander's color identity.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature gets +2/+2 and has ": This creature deals 1 damage to any target."

Flying

When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Modular 3 (This creature enters the battlefield with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Haste

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it.

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Living metal (As long as it's your turn, this Vehicle is also a creature.)

Whenever you cast a spell that targets one or more creatures or Vehicles you control, put that many +1/+1 counters on Arcee. Convert Arcee.

Flying

As Archangel of Strife enters the battlefield, each player chooses war or peace.

Creatures controlled by players who chose war get +3/+0.

Creatures controlled by players who chose peace get +0/+3.

You gain 2 life for each card in your graveyard, then shuffle your graveyard into your library.

Choose one —

• Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle.

• Put a +1/+1 counter on target creature you control. It deals damage equal to its power to target creature you don't control.

• Exile target artifact or enchantment.

Defender

Reach (This creature can block creatures with flying.)

Creatures you control have trample.

Creatures your opponents control lose trample and can't have or gain trample.

Creatures you control have flying.

Creatures your opponents control lose flying and can't have or gain flying.

Flying

Your opponents can't gain life.

At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)

Flying

When Archfiend of Sorrows enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Flying

Archfiend of the Dross enters the battlefield with four oil counters on it.

At the beginning of your upkeep, remove an oil counter from Archfiend of the Dross. Then if it has no oil counters on it, you lose the game.

Whenever a creature an opponent controls dies, its controller loses 2 life.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.

Landfall — Whenever a land enters the battlefield under your control, you get (an energy counter).

Pay eight : Create a 6/6 colorless Beast artifact creature token.

Flying

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Archive Dragon enters the battlefield, scry 2.

If an opponent searched their library this turn, you may pay rather than pay this spell's mana cost.

Target opponent mills thirteen cards.

When your commander deals combat damage to a player, if there is no monarch, you become the monarch.

At the beginning of the monarch's end step, that player draws a card.

At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on Archmage Ascension.

As long as Archmage Ascension has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

Flying

Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.)

Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures.

Flying

Each player can't cast more than one spell each turn.

Nonbasic lands your opponents control enter the battlefield tapped.

Flying

When Archon of Justice dies, exile target permanent.

Flying

Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

Archpriest of Iona's power is equal to the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn.

Flying, haste

At the beginning of the end step, return Archwing Dragon to its owner's hand.

Flying

Arctic Aven gets +1/+1 as long as you control a Plains.

: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

Arctic Foxes can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

Trample

Cumulative upkeep or (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Arctic Wolves enters the battlefield, draw a card.

, : Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay , where X is that mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared.

When Ardent Elementalist enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Create a 2/2 white Knight creature token with vigilance. (Then exile this card. You may cast the enchantment later from exile.)

Flying