Vedven, False Accuser

Flying, skulk
Whenever Vedven, False Accuser deals combat
damage to an opponent, that player gains control
of another target creature you control that has attacked this game or a noncreature permanent
that entered the battlefield under your control
this turn.
Creatures you own, but don't control have "At
the beginning of your upkeep, discard a card and
lose 2 life."