Anthem of the Final Battle

Anthem of the Final Battle can't be countered
Epic-(Epic has two effects: first, after a player casts a
spell with epic, he or she can no longer cast spells for
the remainder of the game. However, at the beginning
of each of his or her upkeeps for the rest of the game,
the player puts a new copy of the epic spell on the
stack.)
You get an additional turn after this one