Stephaan, Avatar of Chaos

Haste, Menace

Whenever Stephaan, Avatar of Chaos enters the battlefield or attacks, your opponent sacrifices all the permanents on their field.

Chaos Overflow-Whenever Stephaan, Avatar of Chaos attacks, exile the top card of target player’s library. You may cast one of those cards without paying its mana cost.

"I don't plan ahead. I just plan for something."