Exile the top X cards of your library. You may cast instant and sorcery spells with converted mana cost 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.
Near Mint - $1.00
Lightly Played - $1.00
Played - $1.00
Heavily Played - $1.00
Damaged - $1.00
Near Mint Non-English - $1.00
Lightly Played Non-English - $1.00
Played Non-English - $1.00
Heavily Played Non-English - $1.00
Damaged Non-English - $1.00