Gem-Knight Amethyst — Ruling
Regola generale
- This is not treated as an effect.
Effetto 1
- About this card's ① st effect:
- This effect is a Trigger Effect, which must be activated in the Graveyard.
- Activating this effect is mandatory. (Activating it is not optional.)
- It also activates during the Damage Step.
Fonte: YGOResources