Call Forth the Tempest

Sorcery{5}{R}{R}{R}

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.) Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn.

Colour identity Red · Cascade

In short

Call Forth the Tempest has 4 listed printings; the most valuable is the Borderless · Surge Foil printing from LTC at US$53.09 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.