Epic Experiment 159 (Return to Ravnica)

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.

NM - $2.20
LP - $2.20
MP - $2.20
HP - $2.20
DMG - $2.20