yugioh sea serpent structure deck Yu-Gi-Oh! - Call of The Atlanteans (SDRE-EN023) - Deck: Realm of The Emperor - 1st Edition REALM OF THE SEA EMPEROR

Rare cards, especially those graded by PSA or Beckett, can fetch thousands, with some like the Pikachu Illustrator selling for over a million dollars

4 Flusterstorm No One Is Having A Good Time Keeping a counterspell up to protect your game-winning play is vital in plenty of decks, and if that combo involves casting more than a few spells, it might be worth your while to play a few copies of Flusterstorm in your list

Ursula, Deceiver of All is the latest TCG appearance for the villain of The Little Mermaid, having previously appeared on standout Lorcana cards such as The First Chapters lore-draining powerhouse Ursula, Power Hungry

Special Summon 1 EARTH Beast monster from your Deck or GY, with an equal or lower Level than that monster's original Level, then your opponent can Special Summon 1 monster from their hand

Gyarados is one of those that reaches the top with its fearsome look and mouth agape

These cards see a lot of play outside of these decks, too, roughly to the same proportions as their costs