You can use each effect the (1)st and (2)nd effects with this card’s name only once per turn.
(1) If a face-up Rock monster you control is sent to the GY: You can Special Summon this card from your hand.
(2) If this card is Special Summoned: You can add either 1 “Iron Core of Koa’ki Meiru”, or 1 card that specifically lists “Iron Core of Koa’ki Meiru” in its text, except “Koa’ki Meiru Supplier”, from your Deck to your hand.
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