Rule of Two

Choose two creatures you control, they become Sith creatures in addition to its other types if they aren’t already. Sacrifice all other creatures you control.
At the beginning of combat on your turn, gain control of target creature an opponent controls until the end of the turn, it gains +1/+0 and haste.
If a Sith creature you control dies while you control a creature with Rule of Two, you gain control of that creature. Do not return it at the end of the turn.