It keeps what it desires all to itself. It will never be shared with anyone.
[AUTO]:When this unit is placed on (RC), choose up to one card with "Greedon" or "Desire Devil" in its card name from your drop, and put it into soul. If your soul has a total of four or more cards with "Greedon" or "Desire Devil" in their card names, this unit gets [Power] +5000 until end of turn.