Guildpact

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T}:...

({R/G} can be paid with either {R} or {G}.) Sacrifice Wild Cantor: Add one mana of any color.

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Haunt (When this creature dies, exile it haunting target creature.) When Absolver Thrull enters the battlefield or the creature it haunts dies, des...

Whenever a creature attacks you, its controller loses 1 life.

Sacrifice Goblin Flectomancer: You may change the targets of target instant or sorcery spell.

{G}, Sacrifice a creature: You gain 1 life.

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...

Target player discards a card. Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.) When the cr...

If Leyline of the Meek is in your opening hand, you may begin the game with it on the battlefield. Creature tokens get +1/+1.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) {2}{R}: Target creature...

Nonbasic landwalk (This creature can't be blocked as long as defending player controls a nonbasic land.)

Enchant creature Enchanted creature can't attack or block. Enchanted creature has "At the beginning of your upkeep, you lose 1 life."

Replicate {U}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Target c...

When Izzet Chronarch enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Target creature gets +2/+2 and gains trample until end of turn. Draw a card.

Flying Haunt (When this creature dies, exile it haunting target creature.) When Belfry Spirit enters the battlefield or the creature it haunts dies...

({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand.

Exile target card from a graveyard. Draw a card.

Haunt (When this creature dies, exile it haunting target creature.) When Exhumer Thrull enters the battlefield or the creature it haunts dies, retu...

Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Pyromati...

Flying When Shrieking Grotesque enters the battlefield, if {B} was spent to cast it, target player discards a card.

Flying Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target. {T}: Draw a card.

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