At the beginning of your upkeep, you may look at the top card of your library. If it's an instant or sorcery card, you may cast it without paying its mana cost.
It chews open Mirrodin's husk and feeds on the outpouring of energy.
NM-Mint - $0.30
NM-Mint Non English - $0.30
Lightly Played - $0.30
Lightly Played Non English - $0.30
Moderately Played - $0.30
Moderately Played Non English - $0.30
Heavily Played - $0.30
Heavily Played Non English - $0.30
Damaged - $0.20
Damaged Non English - $0.20