Petra the Devious

At the beginning of your end step, manifest dread. ({I}Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it’s a creature card.{/I}) Whenever one or more creatures attack you or a planeswalker you control, you may pay {2}. If you do, turn target face down creature you control face up. {flavor} It’s not hot in here. It is me.