If this card is Normal or Special Summoned: You can halve this card's ATK, and if you do, Special Summon 1 "Clock Token" (Cyberse/WIND/Level 1/ATK 0/DEF 0). You can only use this effect of "Clock Wyvern" once per turn.
| Printing | Rarity | 1st Edition | Unlimited | Actions |
|---|---|---|---|---|
MP19-EN1522019 Gold Sarcophagus Tin Mega Pack | C | 1st | Unl. | |
EGS1-EN018Egyptian God Deck: Slifer the Sky Dragon | C | 1st | Unl. | |
SOFU-EN001Soul Fusion | R | 1st | Unl. |
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