Pacte des Guildes

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's gravey...

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

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.) Target ...

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.

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

({R/G} can be paid with either {R} or {G}.) Trample; haste; shroud (This creature can't be the target of spells or abilities.)

If Leyline of the Meek is in your opening hand, you may begin the game with it on the battlefield. Creature tokens get +1/+1.

Whenever Yore-Tiller Nephilim attacks, return target creature card from your graveyard to the battlefield tapped and attacking.

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 ...

Flip a coin. If you win the flip, take an extra turn after this one.

Whenever you cast a blue spell, target creature gains flying until end of turn. Whenever you cast a red spell, Tibor and Lumia deals 1 damage to ea...

Each land gets +2/+2 as long as it's a creature.

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 ...

Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that s...

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...

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

Ulasht, the Hate Seed enters the battlefield with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each ...

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

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

({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

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

({R/G} can be paid with either {R} or {G}.) Trample; haste; shroud (This creature can't be the target of spells or abilities.)