Devuss, Warlock of Frost

Flash, vigilance
When Devuss, Warlock of Frost enters create Frostmaiden's Fist a 3/1 colorless
Contruct artifact creature token with reach.
Whenever you cast an instant or sorcery
spell, you may pay {u}{u}. If you do, tap target
creature an opponent controls and put
a stun counter on it.