| Name | Serpent's Tail |
| Type | Shen Gong Wu, Animal |
| Skill | 6 |
| Element | Water |
| Power | 4 |
| Effect | [Tap] Before Boosts are played, put the top card of your deck into your discard pile. Each Shen Gong Wu with a Skill Needed less than that card's Skill Needed doesn't add its Power this Showdown. |
| Flavor | "The Serpent's Tail is always moving." -Dojo |
| Number | 16 / 99 (Premium) |
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