Worldsea Dragon Zealantis [DABL-EN050] Secret Rare
1st Edition - NM
Not Buying
![Legendary Atlantean Tridon [LTGY-EN033] Common](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/2a0c5919-cde5-5ab9-bfd8-46d36d37d9c8.png?v=1719993157)
Legendary Atlantean Tridon [LTGY-EN033] Common
| Set: | Lord of the Tachyon Galaxy |
| Card type: | Effect Monster |
| Rarity: | Common |
| Attack: | 1600 |
| Defense: | 800 |
You can Tribute this card and 1 Sea Serpent-Type monster; Special Summon 1 "Poseidra, the Atlantean Dragon" from your hand or Deck, then all monsters your opponent currently controls lose 300 ATK.