Awakening

As you cast this spell, you may sacrifice any number of
non-token permanents you control, if you do,
exile them. For each permanent exiled this way,
this spell costs {1} less to cast. Exile The Cone and
The Circle, transform this card into The Cone, all mighty.
When The Cone, all mighty enters the battlefield, create
X point tokens and attack them to it, where X is the
number of cards exiled this way.