世紀の実験 (Epic Experiment) (ja)
Sorcery
(CMC 2)
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.
- [OTC] Outlaws of Thunder Junction Commander #222 (M)