mtg.wtf

When Arboreal Alliance enters, create an X/X green Treefolk creature token.
Whenever you attack with one or more Elves, populate.

Reach
When Arboreal Grazer enters, you may put a land card from your hand onto the battlefield tapped.

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

{T}: Draw a card, then discard a card. Put a quest counter on Arcade Gannon.
For Auld Lang Syne — Once during each of your turns, you may cast an artifact or Human spell from your graveyard with mana value less than or equal to the number of quest counters on Arcade Gannon.

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.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Roll two d8 and choose one result. Draw cards equal to that result. Then you may cast an instant or sorcery spell with mana value less than or equal to the other result from your hand without paying its mana cost.

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

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

Prototype {1}{U}{U} — 2/1
When Arcane Proxy enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

Arcane Sanctum enters tapped.
{T}: Add {W}, {U}, or {B}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Draw three cards.
{2}{U}{U}: Return Arcanis to its owner's hand.

Equipped creature has flying.
Equip {2}
Equipment swap {2}{W} ({2}{W}: Exchange this Equipment with an Equipment card in your hand. If this Equipment was attached to a creature, attach the new Equipment to that creature.)

Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

Deathtouch
Poison 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 player or artifact creature. If they're put on a player this way, they become poison counters.)

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.
Modular 1

First strike
When Arcbound Shikari enters, put a +1/+1 counter on each other artifact creature you control.
Modular 2

Ascend
{T}: Add {C}.
{5}, {T}: Draw a card. Activate only if you have the city's blessing.

When Archaeomancer's Map enters, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle.
Whenever a land an opponent controls enters, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

Flying, vigilance