RD/KP03-JP042 正しき力 Right Magic
Normal Spell Card
[Requirement] You can activate if you control 2 or more face-up monsters with the same Attribute
[Effect] Choose 1 face-up monster your opponent controls, it loses 600 ATK until the end of the turn.

Note: It’s a play on Light Magic, as based on the Spellcasters that support Yuga’s Warrior boss.

Source