The Moons of the Deep

Flying
The Moons of the Deep costs {x} less to cast where X is the number of treasures you control.
Sacrifice X permanents: If X is a multiple of two draw X cards. If X is a multiple of 3, target opponent loses X life. If X is a multiple of five, Destroy up to X permanents. If X equals twenty or more, target opponent puts the top X cards of his or her library into his or her graveyard.