THSF-EN039 – Djinn Prognosticator of Rituals – Super Rare – Unlimited

When you Ritual Summon a monster, you can banish this card from your Graveyard as 1 of the monsters required for the Ritual Summon. If a player Ritual Summons using this card, if that Ritual Summoned monster inflicts battle damage to the other player, they discard 1 card.