Call Forth the Tempest LTC/509

Set: Tales of Middle-earth Commander
Collector Code: LTC/509
Name: Call Forth the Tempest
Type: Sorcery
Oracle text: 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.
Rarity: Rare