Emrakul in two turns

Trample When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. : Add . , : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.