Tereya, the Fourth Lord

Menace
Whenever Tereya, the Fourth Lord enters the battlefield target opponent reveals his/her hand. You may exile two cards from it.
{u}{t} Target opponent discards a card.
{2}{b}{t} Destroy target creature .
{3}{u}{b} Gain control of all creature an opponent controls. A the begining of your upkeep sacrifice all other creatures you control.