Maverick Thopterist - DDU Reprint (PLST) from The List, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Zack Stella
• Card Text:
  Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.)
  When Maverick Thopterist enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.