Emrakul, the Aeons Torn [Rise of the Eldrazi Pre-Release]:
Emrakul, the Aeons Torn can't be countered.
When you cast Emrakul, take an extra turn after this one.
Flying, protection from colored spells, annihilator 6
When Emrakul is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.