When you Ritual Summon a monster, you can banish this card from your GY as 1 of the monsters required for the Ritual Summon. If you Ritual Summons using this card, if that Ritual Summoned monster inflicts battle damage to your opponent, they discard 1 card.
![Djinn Prognosticator of Rituals [SS04-ENB15] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/7ac36d3e-0ca9-5188-95f6-d6842583b139.jpg?v=1698531041&width=1445)