Briki, Queen of the Eldrazi

Flying, trample, double strike, annihilator 8
When you cast this spell, draw 4 cards and take
an extra turn after this one.
Creatures can't attack you or planeswalkers you
control.
When Briki, Queen of the Eldrazi is put into the
graveyard from anywhere, reveal it and shuffle it
into its owner's library.