Aerial Formation (Foil) (JOU) from Journey into Nyx, available at 401 Games Canada.

• Rarity: Common
• Finish: Foil
• Artist: Zack Stella
• Card Text:
  Strive — Aerial Formation costs 2U more to cast for each target beyond the first.
  Any number of target creatures each get +1/+1 and gain flying until end of turn.