mtg.wtf

{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.

{T}: Untap target Forest.

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

{2}{U}, {T}: 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.

{T}, Remove X +1/+1 counters from Arcbound Javelineer: It deals X damage to target attacking or blocking creature.
Modular 1

When Archaeomender enters the battlefield, return target artifact card from your graveyard to your hand.

Kicker {B} and/or {R}
Flying, lifelink
When Archangel of Wrath enters the battlefield, if it was kicked, it deals 2 damage to any target.
When Archangel of Wrath enters the battlefield, if it was kicked twice, it deals 2 damage to any target.

Draft Archdemon of Paliano face up.
As long as Archdemon of Paliano is face up during the draft, you can't look at booster packs and must draft cards at random. After you draft three cards this way, turn Archdemon of Paliano face down.
Flying

As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped.
As long as Archelos is untapped, other permanents enter the battlefield untapped.

Lifelink
When Archfiend's Vessel enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, exile it. If you do, create a 5/5 black Demon creature token with flying.

Mutate {5}{U}
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 {E}.
Pay {E}{E}{E}{E}{E}{E}{E}{E}: Create a 6/6 colorless Beast artifact creature token.

Flying
Ward {2}
When Archive Dragon enters the battlefield, scry 2.

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.

Flash
Whenever an opponent searches their library, you gain 1 life and draw a card.

Whenever Archmage's Newt deals combat damage to a player, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. That card gains flashback {0} until end of turn instead if Archmage's Newt is saddled.
Saddle 3

Flying
Each player can't cast more than one spell each turn.
Nonbasic lands your opponents control enter the battlefield tapped.

Flying, lifelink
Pegasus creatures you control have lifelink.
Constellation — Whenever an enchantment enters the battlefield under your control, create a 2/2 white Pegasus creature token with flying.

Flying, vigilance, trample
As Archon of Valor's Reach enters the battlefield, choose artifact, enchantment, instant, sorcery, or planeswalker.
Players can't cast spells of the chosen type.

Flying
Other creatures you control that are enchanted by Auras you control have base power and toughness 4/4 and have flying.

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

Trample
Cumulative upkeep {G} or {W}
When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Cumulative upkeep {2}
When Arctic Wolves enters the battlefield, draw a card.

Reach, lifelink
Outlast {G/W}
Each other creature you control without a +1/+1 counter on it has outlast {G/W}.

Vigilance