When your opponent activates a monster effect, while you control a Synchro Monster that lists a Synchro Monster as material: Negate the activation, also, after that, Set this card face-down instead of sending it to the GY. You can only activate 1 "Scrap-Iron Signal" per turn.
| Printing | Rarity | 1st Edition | Unlimited | Actions |
|---|---|---|---|---|
LED6-EN027Legendary Duelists: Magical Hero | R | 1st | Unl. | |
LDS3-EN124Legendary Duelists: Season 3 | C | 1st | Unl. |
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