Valgavoth's Onslaught 324 (Duskmourn: House of Horror)

Manifest dread X times, then put X +1/+1 counters on each of those creatures. (To manifest dread, look at the top two cards of your library, then 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.)

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50