One with the Kami is a rare Enchantment — Aura card from Neon Dynasty Commander (NEC), collector number 27. Current market price: $0.37, TCGplayer market prices via Scryfall.
Flash Enchant creature you control Whenever enchanted creature or another modified creature you control dies, create X 1/1 colorless Spirit creature tokens, where X is that creature's power. (Equipment, Auras you control, and counters are modifications.)