Emrakul, Moon Birthed

Flying, Trample, Protection from Instants.
This spell can't be countered.
When Emrakul, Moon Birthed is cast or attacks,
create X 1/1 Eldrazi Scion tokens with, "Sacrifice
this creature: add {c} to your mana pool" equal to
the number of lands your opponents control.
An apocalypse delayed, born anew...