, Exile the top ten cards of your library: Arc-Slogger deals 2 damage to any target.

Arctic Flats enters the battlefield tapped.

: Add or .

Kicker—Return a creature you control to its owner's hand. <I>(You may return a creature you control to its owner's hand in addition to any other costs as you cast this spell.)</I>

If Arctic Merfolk was kicked, it enters the battlefield with a +1/+1 counter on it.

(: Add or .)

Arctic Treeline enters the battlefield tapped.

: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

, : Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land.

, : 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.

At the beginning of combat on your turn, you may attach any number of Auras and Equipment you control to target permanent or player.

Partner (You can have two commanders if both have partner.)

When Ardent Electromancer enters the battlefield, add for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Vigilance

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

, : Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

Arena of Glory enters the battlefield tapped unless you control a Mountain.

: Add .

, , Exert Arena of Glory: Add . If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

When Arena Rector dies, you may exile it. If you do, search your library for a planeswalker card, put it onto the battlefield, then shuffle.

, Sacrifice an enchantment: Destroy target enchantment.

: Counter target enchantment spell.

Argent Dais enters the battlefield with two oil counters on it.

Whenever two or more creatures attack, put an oil counter on Argent Dais.

, , Remove two oil counters from Argent Dais: Exile another target nonland permanent. Its controller draws two cards.

Flying

Metalcraft — : Exile Argent Sphinx. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts.

First strike, protection from multicolored

At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.

: Until end of turn, Argivian Avenger gets -1/-1 and gains your choice of flying, vigilance, deathtouch, or haste.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

When Argivian Cavalier enters the battlefield, create a 1/1 white Soldier creature token.

This spell costs less to cast for each creature you control.

Vigilance

Argoth, Sanctum of Nature enters the battlefield tapped unless you control a legendary green creature.

: Add .

, : Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery.

(Melds with Titania, Voice of Gaea.)

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

Whenever you cast an enchantment spell, draw a card.

Argothian Pixies can't be blocked by artifact creatures.

Prevent all damage that would be dealt to Argothian Pixies by artifact creatures.

Trample

Trample

When Argothian Wurm enters the battlefield, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's library.

When Aria of Flame enters the battlefield, each opponent gains 10 life.

Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

: Add .

, , Sacrifice Ark of Blight: Destroy target land.

+1: Creatures you control get +1/+1 and gain trample until end of turn.

−1: Arlinn, Embraced by the Moon deals 3 damage to any target. Transform Arlinn, Embraced by the Moon.

−6: You get an emblem with "Creatures you control have haste and ‘: This creature deals damage equal to its power to any target.'"

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters the battlefield with an additional +1/+1 counter on it.

−3: Create two 2/2 green Wolf creature tokens.

Arlinn's Wolf can't be blocked by creatures with power 2 or less.

Until end of turn, creatures you control gain "Whenever this creature deals damage to an opponent, you may return target creature that player controls to its owner's hand."

Enchant creature

Enchanted creature gets +2/+2 and has trample.

Whenever enchanted creature deals damage, you gain that much life.

At the beginning of your upkeep, put a doom counter on Armageddon Clock.

At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.

: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Other Kor creatures you control get +2/+2 for each Equipment attached to Armament Master.

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

Fuse (You may cast one or both halves of this card from your hand.)

Armed Response deals damage to target attacking creature equal to the number of Equipment you control.

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

Equipped creature gets +2/+1 and has ward .

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

At the beginning of your end step, creatures you control and creature cards in your hand, library, and graveyard perpetually get +1/+1.

Whenever Armix, Filigree Thrasher attacks, you may discard a card. When you do, target creature defending player controls gets -X/-X until end of turn, where X is the number of artifacts you control plus the number of artifact cards in your graveyard.

Partner (You can have two commanders if both have partner.)

Enchant creature

Enchanted creature gets +1/+1.

: Enchanted creature gets +0/+1 until end of turn.

You may cast Armor of Thorns as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

Enchant nonblack creature

Enchanted creature gets +2/+2.

, Sacrifice Armor Thrull: Put a +1/+2 counter on target creature.

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

: Armored Armadillo gets +X/+0 until end of turn, where X is its toughness.

Flying, vigilance