Violent Outburst (J25) from Foundations Jumpstart, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Richard Whitters
• Card Text:
  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.)
  Creatures you control get +1/+0 until end of turn.