Number 66: Master Key Beetle [JOTL-EN054] Super Rare ARC-V Promo Cards You can Tribute 1 "World

You can Tribute 1 "World Chalice" monster this card points to

if this card battles an opponent's monster with an equal or lower Level (Quick Effect): You can make that opponent's monster's ATK become 0 during that damage calculation only

as many monsters as possible from their hand

Must first be Special Summoned (from your hand) by banishing 3 LIGHT and/or DARK monsters from your GY

Number 66: Master Key Beetle [JOTL-EN054] Super Rare ARC-V Promo Cards You can Tribute 1 "WorldSet: Judgment of the Light Card type: Xyz Effect Monster Rarity: Super Rare Attack: 2500 Defense: 800 2 level 4 DARK monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 card you control, except this card; while this card is face up on the field, that card(s) cannot be destroyed by card effects. If this face up card on the field would be destroyed, you can send one of its targets to the Graveyard instead.