Poseidra Abyss, the Atlantean Dragon Lord (ESR)

Poseidra Abyss, the Atlantean Dragon Lord (ESR) came out in August 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. Over the past twelve months it moved −45.8%, trading between $1.12 and $2.08. The current price is near the bottom of that range. Listings currently start at $1.01; over the last 30 days the market price averaged $1.14.

3 Level 7 monsters
Once per turn, you can also Xyz Summon "Poseidra Abyss, the Atlantean Dragon Lord" by using 1 "Atlantean" or "Mermail" Xyz Monster you control. (Transfer its materials to this card.) Once per turn: You can detach 2 materials from this card, then send 1 WATER monster from your hand or Deck to the GY; return up to 3 cards your opponent controls to the hand. If this Xyz Summoned card is sent to the GY: You can discard 1 card to the GY; Special Summon 3 Level 3 or lower Fish, Sea Serpent, and/or Aqua monsters from your hand and/or GY.