Buck Wild

Ultimate - (You may only cast this card if you
control a creature named Buck, the Unyielding.
Exile this spell once it resolves. When the
associated creature dies, if this card is in exile,
shuffle that creature and this card into your library.)
Put a Net counter on each creature you don't
control. Target creature you control deals 3
damage to each creature you don't control.
Here's the wind up!