mtg.wtf

Whenever you cast a white spell, create a 1/1 white Human Soldier creature token.
Whenever you cast a blue spell, scry 2.
Whenever you cast a red spell, Aragorn, the Uniter deals 3 damage to target opponent.
Whenever you cast a green spell, target creature gets +4/+4 until end of turn.

{X}{G}, {T}: Arashi, the Sky Asunder deals X damage to target creature with flying.
Channel — {X}{G}{G}, Discard Arashi: Arashi deals X damage to each creature with flying.

Double strike
Whenever Arashin Foremost enters or attacks, another target Warrior creature you control gains double strike until end of turn.

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

Whenever Arashin War Beast deals combat damage to one or more blocking creatures, manifest the top card of your library.

Reach
Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.

{2}{W}, {T}: Arbalest Elite deals 3 damage to target attacking or blocking creature. Arbalest Elite doesn't untap during your next untap step.

Vigilance
When Arbiter of Knollridge enters, each player's life total becomes the highest life total among all players.

As an additional cost to cast this spell, sacrifice a creature.
Flying
When this creature enters, each opponent discards a card and loses 2 life. You draw a card and gain 2 life.

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.

Put a +1/+1 counter on target creature. That creature gains reach until end of turn.

Reach
{3}{G}{G}{G}: Monstrosity 3.
When Arbor Colossus becomes monstrous, destroy target creature with flying an opponent controls.

Flying
When Arborea Pegasus enters, target creature gets +1/+1 and gains flying until end of turn.

Convoke
Hexproof

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

Arc Blade deals 2 damage to any target. Exile Arc Blade with three time counters on it.
Suspend 3—{2}{R}

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

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

Flying
At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}.
Each untapped creature you control gets +0/+2 as long as it's not attacking.
{W}: Arcades Sabboth gets +0/+1 until end of turn.

Flying, vigilance
Whenever a creature you control with defender enters, 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.

As Arcane Adaptation enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with Arcane Bombardment. You may cast any number of the copies without paying their mana costs.

{3}, {T}: Draw a card.

This spell costs {1} less to cast if you control a Wizard.
Draw three cards.

Enchant creature
Enchanted creature gets +1/+1 and has flying.