Spooky20

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or...

At the beginning of your upkeep, you may put a charge counter on Aether Vial. {T}: You may put a creature card with mana value equal to the number ...

Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type...

Multikicker {2} Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge co...

[+2]: Ugin, the Spirit Dragon deals 3 damage to any target. [-X]: Exile each permanent with mana value X or less that's one or more colors. [-10]...

Each land is a Swamp in addition to its other land types.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four ...

Stirring Wildwood enters the battlefield tapped. {T}: Add {G} or {W}. {1}{G}{W}: Until end of turn, Stirring Wildwood becomes a 3/4 green and whi...

Raging Ravine enters the battlefield tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, Raging Ravine becomes a 3/3 red and green Element...

Lavaclaw Reaches enters the battlefield tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red E...

{T}: Add {W}. {T}: Return target legendary creature to its owner's hand.

Dark Depths enters the battlefield with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters o...

Creeping Tar Pit enters the battlefield tapped. {T}: Add {U} or {B}. {1}{U}{B}: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature ...

Celestial Colonnade enters the battlefield tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white and...

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a c...

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozile...

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning ...

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: D...

[+4]: Target player exiles a card from their hand. [-3]: Exile target permanent. [-14]: Restart the game, leaving in exile all non-Aura permanent c...