Whenever a creature enters, its controller sacrifices a creature or land of their choice.
Gix despised the sylvan morass. The gouge that the portal had torn in the forest was the only pleasing sight.
(04/10/2004)
Tainted Aether's controller is the one that controls its triggered ability, but the controller of the creature that entered chooses what creature they sacrifice during resolution.
(04/10/2004)
If the creature changes controllers before this ability resolves, its new controller has to sacrifice something.
(04/10/2004)
If more than one of these is on the battlefield, the controller sacrifices a creature for each one of these.
(04/10/2004)
If the controller has no other lands or creatures on the battlefield, they must sacrifice the creature that just entered.
