Guildpact

({R/G} can be paid with either {R} or {G}.) Sacrifice Wild Cantor: Add one mana of any color.

({R/G} can be paid with either {R} or {G}.) {3}{R}, Sacrifice a land: Gruul Guildmage deals 2 damage to target player or planeswalker. {3}{G}: Targ...

{1}, {T}: Add {U}{R}.

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...

Flying Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target. {T}: Draw a card.

When Ogre Savant enters the battlefield, if {U} was spent to cast it, return target creature to its owner's hand.

Exile target card from a graveyard. Draw a card.

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

Enchant creature Creatures you control that are enchanted get +1/+1. If a creature you control that's enchanted would die, return it to its owner's...

{3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) {1}{B}: Regener...

Enchant creature Enchanted creature has first strike. {1}{B}: Enchanted creature gets +2/+2 until end of turn.

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

{U}, Sacrifice a creature: Discard a card, then draw a card.

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

({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.

Reach (This creature can block creatures with flying.) As Silhana Starfletcher enters the battlefield, choose a color. {T}: Add one mana of the cho...

Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Return t...

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

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

Douse in Gloom deals 2 damage to target creature and you gain 2 life.

Enchant creature Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.

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

Destroy target nonwhite, nonblack creature. Create a 1/1 white Spirit creature token with flying. Haunt (When this spell card is put into a graveya...

If Leyline of Lifeforce is in your opening hand, you may begin the game with it on the battlefield. Creature spells can't be countered.