Nature's Wrath

Enchantment -
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. <CR>
Whenever a player puts an Island or blue permanent onto the battlefield, he or she sacrifices an Island or blue permanent. <CR>
Whenever a player puts a Swamp or black permanent onto the battlefield, he or she sacrifices a Swamp or black permanent.

Enchantment -
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. <CR>
Whenever a player puts an Island or blue permanent onto the battlefield, that player sacrifices an Island or blue permanent. <CR>
Whenever a player puts a Swamp or black permanent onto the battlefield, that player sacrifices a Swamp or black permanent.

Enchantment -
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. <CR>
Whenever a player puts an Island or blue permanent into play, he or she sacrifices an Island or blue permanent. <CR>
Whenever a player puts a Swamp or black permanent into play, he or she sacrifices a Swamp or black permanent.

Enchantment -
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. <CR>
Whenever a player puts an Island or blue permanent onto the battlefield, he or she sacrifices an Island or blue permanent. <CR>
Whenever a player puts a Swamp or black permanent onto the battlefield, he or she sacrifices a Swamp or black permanent.