Clavicus Vile

{7}{w}{b}{r}{t}: Gain control of target permenant an opponent controls, then that opponent creates X treasure tokens where X is that permenants mana
cost.
{5}{w}{b}{r}: Untap Clavicus Vile.
When Clavicus Vile becomes untapped, deal X
damage to target opponent where X is the
number of artifacts that player sacrificed
this game.