Prometheus, King of the Shadows [GLD1-EN027] Gold Rare 2013 Collectors Tins you can destroy this Equip

you can destroy this Equip Card instead

face-up Spells/Traps you control cannot be destroyed by your opponent's card effects (even if this card leaves the field)

4 or more: Add 1 "Spellbook" Spell Card from your Deck to your hand

When Summoned this way: You can target 1 "Abyss-" Spell/Trap in your GY

If this card in the Monster Zone is destroyed: You can place it in your Pendulum Zone

Prometheus, King of the Shadows [GLD1-EN027] Gold Rare 2013 Collectors Tins you can destroy this EquipSet: Gold Series 2008 Card type: Effect Monster Rarity: Gold Rare Attack: 1200 Defense: 800 When you Normal Summon this card, remove from play any number of DARK monsters in your Graveyard. This card gains 400 ATK for each removed card, until the End Phase of this turn.