Dance of Many [The Dark] Planechase Anthology It has "Sacrifice this creature:

It has "Sacrifice this creature: Add {C}

Others do their best work creating it

Set: Fifth Edition Type: Creature — Skeleton Rarity: Common Cost: {1}{B} {B}: Regenerate Drudge Skeletons

X is the number of pin counters on Voodoo Doll

Set: Planechase Anthology Planes Type: Plane — Mongseng Rarity: Common Whenever a creature you control attacks a player

Dance of Many [The Dark] Planechase Anthology It has "Sacrifice this creature:Set: The Dark Type: Enchantment Rare Cost: {U}{U} When Dance of Many enters the battlefield, create a token that's a copy of target nontoken creature. When Dance of Many leaves the battlefield, exile the token. When the token leaves the battlefield, sacrifice Dance of Many. At the beginning of your upkeep, sacrifice Dance of Many unless you pay {U}{U}.