Innocuous Insect - Symbol (CMB1) from Mystery Booster Playtest Cards 2019, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jehan Choo
• Card Text:
  Buyback 1U (You may pay an additional 1U as you cast this spell. If you do, put this card into your hand as it resolves.)
  Flash
  Flying
  When you cast this spell, draw a card.