At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. Whenever a player puts an Island or blue permanent onto the battlefield, that player sacrifices an Island or blue permanent. Whenever a player puts a Swamp or black permanent onto the battlefield, that player sacrifices a Swamp or black permanent.
NM-Mint - $1.30
Lightly Played - $1.20
Moderately Played - $1.10
Heavily Played - $0.90
Damaged - $0.70
NM-Mint Non English - $1.30
Lightly Played Non English - $1.20
Moderately Played Non English - $1.10
Heavily Played Non English - $0.90
Damaged Non English - $0.70