Guildpact

Ulasht, the Hate Seed enters the battlefield with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each ...

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.

Whenever you cast a blue spell, target creature gains flying until end of turn. Whenever you cast a red spell, Tibor and Lumia deals 1 damage to ea...

Each land gets +2/+2 as long as it's a creature.

Choose one — • Draw X cards. • Invoke the Firemind deals X damage to any target.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters the battlefield with three +1/+1 counters on it.) Flying {R}{R}{R}: ...

{T}: Living Inferno deals damage equal to its power divided as you choose among any number of target creatures. Each of those creatures deals damag...

Destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying. Haunt (When this spell card is put into a graveya...

{2}, {T}: Exile target card from a graveyard. {2}{W}{B}, {T}, Sacrifice Moratorium Stone: Exile target nonland card from a graveyard, all other car...

Creatures you control have trample. {1}{R}{G}: Gruul War Plow becomes a 4/4 Juggernaut artifact creature until end of turn.

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains has...

Destroy each creature with mana value 3 or less.