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
One of the most expensive Rare cards in Azurite Sea, Genie, Wish Fulfilled, is in high demand and for good reason
If Cecil, Dark Knight is dealt lethal damage at the same time it deals damage (probably because it blocked or became blocked), its last ability will still trigger
The benefit here is that equipment and vehicle cards generally have generic casting costs rather than colored, so you can do some really silly things
Milling your opponent is actually positive for them unless you can finish them off, and there simply isnt enough lifegain to enable Hope as a potential win condition