Activate only when an opponent's monster declares an attack. Monsters cannot be destroyed by this battle. After damage calculation, Special Summon 1 "Summon Reactor・SK" from your hand or Graveyard.
| Printing | Rarity | 1st Edition | Unlimited | Actions |
|---|---|---|---|---|
CRMS-EN071Crimson Crisis | C | 1st | Unl. |
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