Shardless Agent 104 (Planechase 2012)

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 in a random order.)

NM - $1.80
LP - $1.50
MP - $1.10
HP - $0.80
DMG - $0.70