Guardian of the Forgotten 28 (Modern Horizons 3)

Vigilance Whenever a modified creature you control dies, manifest the top card of your library. (Equipment, Auras you control, and counters are modifications. To manifest a card, put the top card of your library onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70