Colossal Collision (MSC) from Marvel Super Heroes Commander, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Tyler Walpole
• Card Text:
  Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature an opponent controls.
  Basic landcycling 2 (2, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)