Sky is Lava

Whenever a spell is cast by an opponent, Sky is
Lava deals 1 damage to that player.

{1}{r}, Sacrifice Sky is Lava: Sky is Lava deals 5 damage to each non-red creature with flying.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

With each circle, the flames poured harder until the point of full destruction.