Skull Guardian, Protector of the Voiceless Voice [PHNI-EN037] Quarter Century Secret RareSet: Phantom Nightmare Card type: Ritual Effect Monster Rarity: Quarter Century Secret Rare Attack: 2050 Defense: 2500 You can Ritual Summon this card with "Prayers of the Voiceless Voice". Gains 2050 ATK while you have "Lo, the Prayers of the Voiceless Voice" on your field or in your GY. You can only use each of the following effects of "Skull Guardian, Protector of the Voiceless Voice" once per turn. If this card is Ritual Summoned: You can add 1