Hieratic Seal of the Heavenly Spheres — Ruling
Effetto 1
- About this card's ① st effect:
- This effect is a Quick Effect, which can be activated in the Monster Zone.
- You cannot activate it during the Damage Step.
Effetto 2
- About this card's ② nd effect:
- This effect is a Trigger Effect.
- Activating this effect is mandatory. (Activating it is not optional.)
- It also activates during the Damage Step.
Fonte: YGOResources