Karyu Takeshi, Lich King

Better in 3's (Can be tapped 3 times per turn)

Once per turn, if this card is the target of an effect,
{t}: you may change the target of the effect to a
creature an opponent controls. This creature gains a
+1/+1 counter every time a creature you control
targets this creature with an effect. Once per turn,
{t}: target tapped creature doesn't untap during its
owner's next untap step.