Guildpact

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.) Trample

Savage Twister deals X damage to each creature.

{B}, Sacrifice a creature: Destroy each creature with the same mana value as the sacrificed creature.

Counter target spell unless its controller pays {1}. Draw a card.

At the beginning of your upkeep, this creature deals 1 damage to each player.

When this creature enters, if {W} was spent to cast it, target player skips their next combat phase. This creature can't block.

{3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) {1}{B}: Regener...

Return target nonland permanent with mana value X to its owner's hand. Draw a card.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) {R}, {T}: Attacking creatures get +X/+0...

The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.) Draw a card.

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...

Destroy all enchantments target player controls.

You may have creatures you control assign their combat damage this turn as though they weren't blocked.

Whenever another creature enters, its controller loses 1 life.

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

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

This spell can't be countered. Bloodthirst X (This creature enters with X +1/+1 counters on it, where X is the damage dealt to your opponents this ...

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

Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value.

{W}, {T}: Tap target creature.

{T}: Add {C}. {3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

{1}, {T}: Add {W}{B}.

Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, choose one — • Creatu...

{2}{W}: Target player gains 1 life. {2}{B}: Each player loses 1 life.