Underworld Ritual of Prediction Yu Gi Oh! Card Database YGOPRODeck Ritual Spell Card Yugipedia LDS2 EN025 Chaos Form Common Ritual Spell Legendary Duelists S YGOrganization Further Details About Ritual Summon Forbidden Arts of the Gishki [HA06 EN027] Super Rare This card can only be Ritual Summoned with the Ritual Spell Card, "Synthesis Spell". When this card inflicts Battle Damage to your opponent, inflict 200 damage to your opponent for each Normal