Winged Portent (VOW) from Innistrad: Crimson Vow, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Nicholas Gregory
• Card Text:
  Cleave 4GU (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
  Draw a card for each creature [with flying] you control.