Ira della Natura (Nature's Wrath) (it)
Enchantment
(CMC 6)
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay .
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.