Prometheus, King of the Shadows is a Secret Rare Effect Monster card from Yu-Gi-Oh! (Force of the Breaker, FOTB). Current market price: $0.09.
Secret Rare
Force of the Breaker (FOTB)
Card Text
If this card is Normal Summoned: Banish 1 or more DARK monsters from your GY, and if you do, this card gains 400 ATK for each, until the end of this turn.
