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.
Nature’s Wrath cares about who puts the permanent onto the battlefield, not under whose control the permanent enters the battlefield under.