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 combat on your turn, if you've cast three or more instant and sorcery spells this turn, return Arclight Phoenix from your graveyard to the battlefield.

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.

, : Target snow land is no longer snow.

, : Target nonsnow basic land becomes snow.

Reach, lifelink

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

Each other creature you control without a +1/+1 counter on it has outlast .

Whenever Ardent Dustspeaker attacks, you may put an instant or sorcery card from your graveyard on the bottom of your library. If you do, exile the top two cards of your library. You may play those cards this turn.

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

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Kicker <I>(You may pay an additional </I><I> as you cast this spell.)</I>

Vigilance

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

Flying

Legendary creatures don't untap during their controllers' untap steps.

When Arena of the Ancients enters the battlefield, tap all legendary creatures.

Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster.

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.

: Prevent the next 2 damage that would be dealt to target artifact creature this turn.

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.

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.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

+2: Add .

0: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

Each creature you control that's a Wolf or a Werewolf enters the battlefield with an additional +1/+1 counter on it.

−2: Create a 2/2 green Wolf creature token.

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."

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

When Armed with Proof enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Clues you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip .

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.

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

Flying

Whenever Armored Skyhunter attacks, look at the top six cards of your library. You may put an Aura or Equipment card from among them onto the battlefield. If an Equipment is put onto the battlefield this way, you may attach it to a creature you control. Put the rest of those cards on the bottom of your library in a random order.

As long as Armory Veteran is equipped, it has menace. (It can't be blocked except by two or more creatures.)

, Sacrifice a land: Destroy target land.

Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay . If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking.

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.)

: Target creature gains flying until end of turn.

Return target creature to its owner's hand.

Addendum — If you cast this spell during your main phase, draw a card.

Whenever Arrogant Bloodlord blocks or becomes blocked by a creature with power 1 or less, destroy Arrogant Bloodlord at end of combat.

Whenever Arrogant Poet attacks, you may pay 2 life. If you do, it gains flying until end of turn.

Trample

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

If four or more creatures are attacking, you may pay rather than pay this spell's mana cost.

Arrow Volley Trap deals 5 damage divided as you choose among any number of target attacking creatures.

As Arsenal Thresher enters the battlefield, you may reveal any number of other artifact cards from your hand. Arsenal Thresher enters the battlefield with a +1/+1 counter on it for each card revealed this way.

When Arterial Alchemy enters the battlefield, create a Blood token for each opponent you have. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip .

Target creature can't be blocked this turn.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +2/+2 until end of turn.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Counter target artifact spell.