Marchesa, the Black Rose

Marchesa, the Black Rose {1}{U}{B}{R}

Legendary Creature - Human Wizard | Power/Toughness: 3 / 3 (CMC 4)
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Other creatures you control have dethrone.
Whenever a creature you control with a +1/+1 counter on it dies, return that card to the battlefield under your control at the beginning of the next end step.