Squirrelnado

For each squirrel you control and for each
snow mana you spend to cast this spell,
Squirrelnados casting cost is reduced by one.

Squirrelnado deals X damage to any target
and half of X damage, rounded down,
to each creature with flying.

For each creature that is destroyed by
Squirrelnado create a green 1/1 squirrel token.