Hallowed Haunting (VOW) from Innistrad: Crimson Vow, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: David Auden Nash
• Card Text:
  As long as you control seven or more enchantments, creatures you control have flying and vigilance.
  Whenever you cast an enchantment spell, create a white Spirit Cleric creature token with "This creature's power and toughness are each equal to the number of Spirits you control."