Worldsea Dragon Zealantis

Worldsea Dragon Zealantis debuted in the Yu-Gi-Oh! Official Card Game within the Rarity Collection Quarter Century Edition, designed to commemorate the twenty-fifth anniversary of the franchise. It functions as a powerful Link-4 monster that utilizes a field-reset mechanic to manipulate the board state, reflecting the game's shift toward high-impact, utility-focused link monsters that reward strategic positioning.

The card's aesthetic, characterized by its intricate aquatic draconic form, was illustrated to convey a sense of vast, shifting power consistent with the high-rarity aesthetic of the Quarter Century Stampede release. Upon its introduction to the western TCG market, it was received as a versatile staple in competitive play, valued for its ability to clear problematic effects and trigger powerful enter-the-battlefield abilities across various deck archetypes.