Guildpact

T: Add C. 3WB, T: Target player loses 1 life and you gain 1 life.

W, T: Tap target creature.

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

(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.

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 turn.) Protection from instants

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

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

Whenever another creature enters, its controller loses 1 life.

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

Destroy all enchantments target player controls.

Replicate 1R (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Pyromatics deals 1 damage to any target.

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.

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 until end of turn, where X is this creature's power.

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

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

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

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

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

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

Savage Twister deals X damage to each creature.

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

Target creature gets +4/+0 until end of turn. Another target creature gets -4/-0 until end of turn.

R, Sacrifice a creature: This creature deals 1 damage to target player or planeswalker.

Destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying. Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.) When the creature this card haunts dies, destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying.