Search your library for a green creature card, reveal it, put it into your hand, then shuffle. At the beginning of your next upkeep, pay {2}{G}{G}. If you don't, you lose the game.
Near Mint - £2.70
Lightly Played - £2.30
Moderately Played - £1.90
Heavily Played - £1.40
Damaged - £0.80
Near Mint Non English - £2.70
Lightly Played Non English - £2.30
Moderately Played Non English - £1.90
Heavily Played Non English - £1.40
Damaged Non English - £0.80