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 - $3.60
Lightly Played - $3.20
Played - $2.50
Heavily Played - $2.20
Damaged - $1.80
Near Mint Non-English - $3.60
Lightly Played Non-English - $3.20
Played Non-English - $2.50
Heavily Played Non-English - $2.20
Damaged Non-English - $1.80