| English Name: | Flash Strike, Yamaihebi |
| Kanji: | 閃撃 病蛇 |
| Kana: | せんげき やまいへび |
| Phonetic: | Sengeki Yamaihebi |
| Size: | 2 |
| Type: | m |
| Power: | 5000 |
| Critical: | 2 |
| Defense: | 1000 |
| World: | Katana World |
| Attribute: | Skull Warrior / Darkness |
| Illust: | 日田慶治 |
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| Flavor Text: |
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| Ah... you have already been slashed. |
| Ability / Effect: |
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| "Venemous Strike" When this card enters the field, destroy a size 1 or less m on your opponent's field. At end of turn, destroy this card |