Liege of the Pit

Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you. Morph {B}{B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ob1ir7fvvpb1haspk1w5b.