Card Trivia:Poseidra, the Atlantean Dragon
- This card's name is a portmanteau of "Poseidon", the Greek god of the sea, and a dragon/hydra.
- Even the tip of its tail has the image of Poseidon's Trident.
- This monster position, color scheme and posture are similar to Lagiacrus, from Monster Hunter.
- This monster appears in the artworks of "Call of the Atlanteans", "High Tide on Fire Island", "Spiral Crash of the Phantasmagoric Dragon", and "Supremasea of the Phantasmagoric Dragon".
- The neck bracelet of this monster appears in the artwork of "Abyss-squall" and as an armband in the artwork of "Mermail Abyssgaios".
- In addition, this monster's body is identical to the lower half of "Mermail Abyssgaios", indicating that the two are related in some way.
- This relation can be seen in the commercials for Abyss Rising and Realm of the Sea Emperor.
- Both monsters also share the same Rank/Level, Attribute and ATK/DEF.
- In addition, this monster's body is identical to the lower half of "Mermail Abyssgaios", indicating that the two are related in some way.
- The tower in the artwork of "A Legendary Ocean" is slightly visible in the upper left corner of this card, indicating the "Atlanteans" have a connection with it.
- This card has a younger version of itself called "Legendary Atlantean Tridon".
- It's interesting to point out that when this card uses 3 new "Atlantean" monsters to Summon itself, its ATK and DEF becomes equal to the total ATK and DEF of those monsters. Two offensive "Atlantean", both with only 1400 ATK, will total to 2800, and the last one, which is defensive, has only 1600 DEF.
