Bonehoard (NEC) from Neon Dynasty Commander, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Chippy
• Card Text:
  Living Weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
  Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.
  Equip 2