mtg.wtf

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.

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

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

This spell costs {1} less to cast for each creature you control.
Vigilance

Return target artifact card from your graveyard to the battlefield.

Destroy up to one target creature with power 4 or greater.
Choose a nonland card in your hand. It perpetually gains flash.

Argoth, Sanctum of Nature enters tapped unless you control a legendary green creature.
{T}: Add {G}.
{2}{G}{G}, {T}: Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery.

Shroud
Whenever you cast an enchantment spell, draw a card.

When Argothian Opportunist enters, create a tapped Powerstone token.

Argothian Sprite can't be blocked by artifact creatures.
{7}: Put two +1/+1 counters on Argothian Sprite.

Put two +1/+1 counters on each of X target lands you control. They each become 0/0 Elemental creatures with reach, haste, and "When this creature leaves the battlefield, conjure a card named Forest onto the battlefield tapped." They're still lands.

{1}{B}, Pay 2 life: Draw a card.
At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.

When Aria of Flame enters, 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.

Arid Archway enters tapped.
When Arid Archway enters, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1.
{T}: Add {C}{C}.

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

Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker.

Arixmethes, Slumbering Isle enters tapped with five slumber counters on it.
As long as Arixmethes has a slumber counter on it, it's a land.
Whenever you cast a spell, you may remove a slumber counter from Arixmethes.
{T}: Add {G}{U}.

Flying
Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.

[+1]: Until end of turn, up to one target creature gets +2/+2 and gains vigilance and haste.
[0]: Create a 2/2 green Wolf creature token. Transform Arlinn Kord.

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

[+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 '{T}: This creature deals damage equal to its power to any target.'"

Each creature you control that's a Wolf or a Werewolf enters with an additional +1/+1 counter on it.
[–2]: Create a 2/2 green Wolf creature token.

Nightbound
[+2]: Add {R}{G}.
[0]: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

Daybound
[+1]: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters with an additional +1/+1 counter on it.
[–3]: Create two 2/2 green Wolf creature tokens.

Until end of turn, target creature gets +3/+3, up to one other target creature gets +2/+2, and up to one other target creature gets +1/+1. Those creatures gain vigilance until end of turn.