Volcanic Torrent [Outlaws of Thunder Junction Commander]

Set: Outlaws of Thunder Junction Commander Type: Sorcery Rarity: Uncommon Cost: {4}{R} 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.)Volcanic Torrent deals X damage to each creature and planeswalker your opponents control, where X is the number of spells you've cast this turn.