Nyxborn Behemoth - Extended Art (CMM) from Commander Masters, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Néstor Ossandón Leal
• Card Text:
  This spell costs X less to cast, where X is the total mana value of noncreature enchantments you control.
  Trample
  1G, Sacrifice another enchantment: Nyxborn Behemoth gains indestructible until end of turn.