Forbidden Chalice [PGLD-EN047] Gold Rare Secret Rare If this card has "Number

If this card has "Number 6: Chronomaly Atlandis" as an Xyz Material

Set: Structure Deck: Cyberse Link Card type: Quick Play Spell Rarity: Super Rare Target 1 Cyberse monster you control

•If damage calculation is performed involving this card

your opponent cannot Summon monsters with the same name as any of the monster(s) chosen for this card's effect

halve the ATK of that monster you control until the end of this turn

Forbidden Chalice [PGLD-EN047] Gold Rare Secret Rare If this card has "NumberSet: Premium Gold Card type: Quick Play Spell Rarity: Gold Rare Attack: 0 Defense: 0 Target 1 face up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.