The main changes I made were to drop the Heavy Storm Dusters from the main in favor of more floodgates
It revolves around Link monsters
In a more positive way, Yuya's attempts at using entertainment dueling to bring joy and happiness work best when 1) he isn't consumed by doubt during the duel, and 2) his opponent is a genuinely well-meaning person with some goals and motivations Yuya can relate to (as in most of the qualifying duels)
While the Maelstrom can't search for an Ugin the same way the Haven could, that's a pretty small concession for a land that's literally a tutor
As a Floodborn character, Ursula is transformed and more powerful than shes been before (check out our guide to Storyborn, Dreamborn and Floodborn in Disney Lorcana for more details), with 4 Strength and 7 Toughness making her stats pretty formidable alone
Trigger Averna's ability and place a land from the exiled cards onto the battlefield tapped