[Grandiose] Aether Burst

Cleave {1}{u} (You may cast this spell for its cleave
cost. If you do, remove the words in square brackets.)
Return up to X target creatures to their owners'
hands, where X is one plus the number of cards
with the same name as this spell [plus the
number of cards named Aether Burst] in all
graveyards as you cast this spell. (If you cast this
spell for its cleave cost, its name is Aether Burst on
the stack.)