Emrakul the Aeons Torn

“Emrakul, the Aeons Torn can't be countered. <br> When you cast Emrakul, take an extra turn after this one. <br> Flying, protection from colored spells, annihilator 6 <br> When Emrakul is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.”