Mujin, Heart of the Tribe

At the beginning of combat you may sacrifice
Mujin, Heart of the Tribe, if you do, gain
control of target creature until the end of turn.
Untap it. It gains haste until the end of turn.
For the survival of her tribe Mujin married herself
into the Sun Empire's aristocracy. Now the wife of
Wu Tong, the emperor's favourite advisor, she tries to leverage her newfound political power to benefit her
true family.