Darth Malgus

Menace, First Strike, Trample
Skilled Corrupter: Whenever Darth Malgus deals combat damage to a player, gain control
of target non commander creature that player controls until end of turn. Untap it. It gains Haste until end of turn. After this combat phase, there is an additional combat phase
where the creature you took until end of turn
is the only creature that can attack.