Guildpact

If Leyline of Lightning is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If ...

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

Whenever Bioplasm attacks, exile the top card of your library. If it's a creature card, Bioplasm gets +X/+Y until end of turn, where X is the exile...

Whenever Glint-Eye Nephilim deals combat damage to a player, draw that many cards. {1}, Discard a card: Glint-Eye Nephilim gets +1/+1 until end of ...

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

Flying Haunt (When this creature dies, exile it haunting target creature.) When Graven Dominator enters the battlefield or the creature it haunts d...

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

{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...

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...

When Ghost Council of Orzhova enters the battlefield, target opponent loses 1 life and you gain 1 life. {1}, Sacrifice a creature: Exile Ghost Coun...

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

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

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

If Leyline of Singularity is in your opening hand, you may begin the game with it on the battlefield. All nonland permanents are legendary.

{3}: Mizzium Transreliquat becomes a copy of target artifact until end of turn. {1}{U}{R}: Mizzium Transreliquat becomes a copy of target artifact,...

Flying When Angel of Despair enters the battlefield, destroy target permanent.

Whenever an opponent discards a card, Abyssal Nocturnus gets +2/+2 and gains fear until end of turn. (It can't be blocked except by artifact creatu...

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({W/B} can be paid with either {W} or {B}.) At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under y...

Whenever Dune-Brood Nephilim deals combat damage to a player, create a 1/1 colorless Sand creature token for each land you control.

Sacrifice three white creatures: Exile target creature. Whenever another black creature you control dies, create a 1/1 white Spirit creature token ...

Haunt (When this creature dies, exile it haunting target creature.) When Orzhov Pontiff enters the battlefield or the creature it haunts dies, cho...

Whenever an opponent casts a spell, that player sacrifices a permanent unless they pay {1}.

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