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 - $2.50
Lightly Played - $2.50
Moderately Played - $2.00
Heavily Played - $1.50
Damaged - $1.25
Near Mint Non-English - $2.50
Lightly Played Non-English - $2.50
Moderately Played Non-English - $2.00
Heavily Played Non-English - $1.50
Damaged Non-English - $1.25