Vortex of the Storm

Cascade (When you cast this spell, exile cards from
the top of your library until you exile a nonland card
whose converted mana cost is less than this spell's converted mana cost. You may cast that card without paying its mana cost.)
Storm (When you cast this spell, copy it for each
spell cast before it this turn.)
Vortex of the Storm deals 1 damage to any target.