Epic Experiment [RTR - 159]

Exile the top X cards of your library. For each instant and sorcery with converted mana cost X or less among them, you may cast that card without paying its mana cost. Then put all cards exiled this way that weren't cast into your graveyard.

Rarity: Mythic

#: 159

Card Type: Sorcery, Sorcery

Card Color: R, U

Casting Cost: {X}{U}{R}