Guildpact

Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, destroy target enchantment.

Whenever an opponent discards a card, this creature gets +2/+2 and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever this creature blocks a creature, you may return this creature to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.

At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.

Flying When this creature enters, destroy target permanent.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Creatures with power less than this creature's power can't block it.

Enchant creature Creatures you control that are enchanted get +1/+1. Whenever a creature you control that's enchanted becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, create two 1/1 black Bat creature tokens with flying.

You gain 1 life for each player. Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.) When the creature this card haunts dies, you gain 1 life for each player.

Whenever this creature attacks, exile the top card of your library. If it's a creature card, this creature gets +X/+Y until end of turn, where X is the exiled creature card's power and Y is its toughness.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, target player loses 2 life and you gain 2 life.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Trample Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) 2R: Target creature can't block this creature this turn. 2G: Target creature blocks this creature this turn if able.

Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Exile target land.

Target player draws two cards, then Cerebral Vortex deals damage to that player equal to the number of cards they've drawn this turn.

Choose a card name. Until your next turn, spells with the chosen name can't be cast and lands with the chosen name can't be played. Draw a card.

Target creature with flying loses flying until end of turn. Crash Landing deals damage to that creature equal to the number of Forests you control.

Exile target card from a graveyard. Draw a card.

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

1, Exile two creature cards from your graveyard: Target player discards a card. Activate only as a sorcery.

When this creature enters, look at the top four cards of your library, then put them back in any order. 4U: Return this creature to its owner's hand.