Khârn, Lord Betrayer

Trample, Haste, Menace, Vigilance
As an additional cost to cast Kharn, Lord Betrayer sacrifice creature. Kharn, Lord Betrayer must attack if able, if not controller destroys a card. Any creature entering the battlefield must fight Kharn, Lord Betrayer.
"The Wolves will always come to heel when called. In that regard, it's a mystery why they name themselves wolves. They are tame, collared by the Emperor, obeying his every whim. A wolf does not behave that way. Only a dog does. That is why we are Eate