Wrath of a Valar

Target creature you control is unblockable and gains hexproof. At the end of your turn, sacrifice that creature.
Wrath of a Valar can't be countered.
"He passed over Dor-nu-Fauglith like a wind amid the dust, and all that beheld his onset fled in amaze, thinking that Oromë himself was come: for a great madness of rage was upon him, so that his eyes shone like the eyes of the Valar."