Guildpact

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

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

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

{X}, {T}: Each creature with converted mana cost X can't attack or block this turn.

{R}: Gruul Nodorog gains menace until end of turn. (It can't be blocked except by two or more creatures.)

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

Gatherer of Graces gets +1/+1 for each Aura attached to it. Sacrifice an Aura: Regenerate Gatherer of Graces.

({U/R} can be paid with either {U} or {R}.) {2}{U}: Copy target instant spell you control with converted mana cost 2 or less. You may choose new ta...

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

When Steamcore Weird enters the battlefield, if {R} was spent to cast it, it deals 2 damage to any target.

{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...

Flying Stratozeppelid can block only creatures with flying.

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.

Flying {1}{R}: Torch Drake gets +1/+0 until end of turn.

{3}: Feral Animist gets +X/+0 until end of turn, where X is its power.

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

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

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Silhana Ledgewalker can't be blocked except by creature...

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...

Whenever Aetherplasm blocks a creature, you may return Aetherplasm to its owner's hand. If you do, you may put a creature card from your hand onto ...

When Vedalken Plotter enters the battlefield, exchange control of target land you control and target land an opponent controls.

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