Lofty Dreams (ECL) from Lorwyn Eclipsed, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Steven Belledin
• Card Text:
  Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.)
  Enchant creature
  When this Aura enters, draw a card.
  Enchanted creature gets +2/+2 and has flying.