Pacte des Guildes

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

When Gruul Scrapper enters the battlefield, if {R} was spent to cast it, it gains haste until end of turn.

Vigilance {4}{W}: Lionheart Maverick gets +1/+2 until end of turn.

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...

Enchant creature Creatures you control that are enchanted get +1/+1 and have first strike.

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

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

{2}{W}: Target player gains 1 life. {2}{B}: Each player loses 1 life.

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

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.) Pyromati...

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 ...

({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand.

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...

Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost.) Create a 3/3 blue Weird creature token with defende...

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 ...

Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.) Draw a card.

Flash Enchant creature Creatures you control that are enchanted get +1/+1.

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

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

Prevent the next 3 damage that would be dealt to any target this turn. Draw a card.

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

Untap all creatures you control. Draw a card.

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

({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.