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 - $1.60
Lightly Played - $1.50
Moderately Played - $1.40
Heavily Played - $1.30
Damaged - $1.10
NM-Mint Non English - $1.60
Lightly Played Non English - $1.50
Moderately Played Non English - $1.40
Heavily Played Non English - $1.30
Damaged Non English - $1.10