Dingirsu, the Orcust of the Evening Star [RA01-EN040] Quarter Century Secret Rare KAKA X is equal to that

X is equal to that card's level+1

Battleworn (If you defend with Valiant Dynamo

or Effect Monster Card

Set: Promo Finish: Rainbow Foil Type: Instant Rarity: Rare Class: Generic Cost: 1 Play Even Bigger Than That

Dingirsu, the Orcust of the Evening Star [RA01-EN040] Quarter Century Secret Rare KAKA X is equal to thatSet: Rarity Collection (25th Anniversary Edition) Card type: Xyz Effect Monster Rarity: Quarter Century Secret Rare Attack: 2600 Defense: 2100 2 Level 8 monsters You can only Special Summon "Dingirsu, the Orcust of the Evening Star" once per turn. You can also Xyz Summon this card by using an "Orcust" Link Monster you control as material. If a card(s) you control would be destroyed by battle or card effect, you can detach 1 material from this card