Lurking Predators 156/351 (Commander 2016)

Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library.

NM - $35.50
LP - $28.50
MP - $21.50
HP - $14.50
DMG - $7.50