Rathalos, King of the Skies

When Rathalos, King of the Skies attacks, it gains flying and menace

Fireball: {x}{r}{t} This ability costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

When Rathalos, King of the Skies dies, you may exile it and return it to the battlefield transformed.