Elder Mastery (DDH) from Duel Decks: Ajani vs. Nicol Bolas, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Dave Allsop
• Card Text:
  Enchant creature
  Enchanted creature gets +3/+3 and has flying.
  Whenever enchanted creature deals damage to a player, that player discards two cards.