mtg.wtf

Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Cumulative upkeep—Put a -1/-1 counter on Aboroth.

Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.

Look at target player's hand and choose two cards from it. Put them on top of that player's library in any order.

Haste
You may exert Ahn-Crop Crasher as it attacks. When you do, target creature can't block this turn.

{T}: Add {C}.
{G}{U}, {T}: You may cast spells this turn as though they had flash.

When Alpine Guide enters the battlefield, you may search your library for a Mountain card, put that card onto the battlefield tapped, then shuffle.
Alpine Guide attacks each combat if able.
When Alpine Guide leaves the battlefield, sacrifice a Mountain.

As An-Zerrin Ruins enters the battlefield, choose a creature type.
Creatures of the chosen type don't untap during their controllers' untap steps.

You draw three cards and you lose 3 life.

Reach
Tap an untapped Spider you control: Search your graveyard and/or library for a card named Arachnus Web and put it onto the battlefield attached to target creature. If you search your library this way, shuffle.

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

{3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other.

{3}, {T}: Target player looks at the top three cards of their library, puts one of them back on top of their library, then exiles the rest.

Whenever Ashnod's Harvester attacks, exile target card from a graveyard.
Unearth {1}{B}

Target creature gets +X/+X until end of turn, where X is your devotion to green.

Destroy target silver-bordered or acorn permanent in any game you can see from your seat.

Whenever Assembled Alphas blocks or becomes blocked by a creature, Assembled Alphas deals 3 damage to that creature and 3 damage to that creature's controller.

Haste
When Avarax enters the battlefield, you may search your library for a card named Avarax, reveal it, put it into your hand, then shuffle.
{1}{R}: Avarax gets +1/+0 until end of turn.

Hexproof, reach

At the beginning of combat on your turn, you may have target creature get +2/+0 until end of turn.

Whenever a green creature dies, its controller discards a card.

Whenever a Beast becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Sacrifice another creature: Blood Bairn gets +2/+2 until end of turn.