yugioh poseidra deck Realm of the Sea Emperor Structure Deck's New Playmat! – Yu-Gi-Oh! TCG Event Coverage Poseidra Burst, the Atlantean Dragon

They may occasionally pop up in competitive EDH decks, the most notable being whenever Rick, Steadfast Leader shows up once in a blue moon in a Legacy Humans decklist

For me, I probably wouldnt mind giving the deck another few rounds of play, because it was fun to play, but thats about it, so the deck isnt worth it for me

Im putting it here tentatively on that list, but things could change

Also the end of the Yami Marik Returns event implies that normal Marik may show up in the near future, as Normal Marik seemingly sealed away Yami Marik

SE Secret Rare QCSE Quarter Century Secret Rare Dora Dora X FIRE Level 3 [ DragonEffect ] ATK 400 DEF 200 If this card is Normal Summoned: You can add 1 Level 4 or lower FIRE Dragon monster from your Deck to your hand