Koa'ki Meiru Supplier — Ruling
Effetto 1
- This card's effect that Special Summons it is a Trigger Effect that activates in the hand. (It does not target. It can be activated optionally when a face-up Rock monster in your Monster Zone is sent to the Graveyard, but cannot be activated during the Damage Step.)
Effetto 2
- This card's effect that adds Iron Core of Koa'ki Meiru or a card with Iron Core of Koa'ki Meiru listed in its text from your Deck to your hand is a Trigger Effect that activates on the field. (It does not target. It can be activated optionally when this card is Special Summoned, including during the Damage Step.)
Fonte: YGOResources