Zero-Day Blaster [SDRR-EN033] Super Rare
1st Edition - NM
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![Urgent Synthesis [RGBT-EN057] Common](https://cdn.shopify.com/s/files/1/0524/2277/0879/products/31900_200w.jpg?v=1608514006)
Urgent Synthesis [RGBT-EN057] Common
| Set: | Raging Battle |
| Card type: | Spell |
| Rarity: | Common |
Activate by returning 1 Iron Core of Koa'ki Meiru in your Graveyard to your Deck. Special Summon 1 Level 4 or lower Koa'ki Meiru monster from your hand or Graveyard.