Alhammarret, Called Upon

Flying (This creature can't blocked except be creatures with flying or reach.)
Alhammarret, Called Upon's power is equal to the number of non-creature spells in your graveyard.
Flux {u/b}{u/b} (Whenever you cast a noncreature, nonartifact spell, you may pay {u/b}{u/b}. If you do, it has rebound.)