Bile Blight was nice against aggressive decks and sometimes useful in combat, but I just cut out the middle man and added Drown in Sorrow in its place
Emmara, Soul of the Accord should likely be replaced by Rhys the Redeemed, while Kutzil, Malamet Exemplar and King Darien XLVIII are solid upgrades
Its a little awkward that it has no crew cost, but the sacrifice theme looks well supported enough that I doubt itll be an issue
This opens the way for Instant/Sorcery synergies like Primal Amulet, Increasing Vengeance, Pyromancer's Goggles, and Howl of the Horde to copy our sources of burn
Gaea's Cradle produces one green mana for each creature you control
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