Fafnir Musyn And Ragnir

This spell can't be countered.
When you cast this spell, take an extra turn after this one.
Flying, protection from colored spells, annihilator 6 When Fafnir Musyn And Ragnir
is put into a graveyard from anywhere, its owner shuffles their graveyard into their library. This card is a copy of Emrakul, the Aeons Torn