Artifact, 4 (4)
Rare
{X}{X}, {T}: Target player puts the top X cards of his or her library into his or her graveyard.
Morph {3} (You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Illus. Cyril Van Der Haegen
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern