mtg.wtf

Archway Commons enters tapped.
When Archway Commons enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Archway of Innovation enters tapped unless you control an Island.
{T}: Add {U}.
{U}, {T}: The next spell you cast this turn has improvise.

Reach, trample

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

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.

Squad {2}
Arco-Flagellant can't block.
Endurant — Pay 3 life: Arco-Flagellant gains indestructible until end of turn.

Flying
Arctic Aven gets +1/+1 as long as you control a Plains.
{W}: Arctic Aven gains lifelink until end of turn.

Arctic Flats enters tapped.
{T}: Add {G} or {W}.

Arctic Foxes can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

Kicker—Return a creature you control to its owner's hand.
If Arctic Merfolk was kicked, it enters with a +1/+1 counter on it.

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

Arctic Treeline enters tapped.

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

{T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

When Arcum's Astrolabe enters, draw a card.
{1}, {T}: Add one mana of any color.

{2}, {T}: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land.

{2}, {T}: Target snow land is no longer snow.
{2}, {T}: Target nonsnow basic land becomes snow.

{3}, {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay {X}, where X is that mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared.

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

Flying
At the beginning of your upkeep, if Arden Angel is in your graveyard, roll a four-sided die. If the result is 1, return Arden Angel from your graveyard to the battlefield.

At the beginning of combat on your turn, you may attach any number of Auras and Equipment you control to target permanent or player.
Partner

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 Electromancer enters, add {R} for each creature in your party.

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

Vigilance