So lets take a look at the most valuable cards in Disney Lorcana: Ursulas Return
They can't be the target of spells or abilities, their static abilities have no effect on the game, their triggered abilities can't trigger, they can't attack or block, and so on
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Abu Ja'far Accursed Duneyard Albino Troll Anavolver Ancient Silverback Asceticism Asphodel Wanderer Augur of Skulls Bad Ass Baron Sengir Birthing Hulk Black Poplar Shaman Blessing of Leeches Blight Mamba Boneknitter Boon of Erebos Broken Fall Butcher's Glee Cadaverous Knight Carapace Carnassid Carrion Wall Catastrophe Cateran Overlord Centaur Veteran Charging Troll Child of Gaea Chilling Apparition Cinderbones Clay Statue Clergy of the Holy Nimbus Clockwork Gnomes Clot Sliver Consecrated by Blood Corrupt Official Corrupted Harvester Crumble Crypt Sliver Cudgel Troll Dark Dabbling Dark Privilege Darkling Stalker Daru Mender Dawn Charm Death Ward Debt of Loyalty Deepwood Ghoul Defiling Tears Degavolver Deity of Scars Delif's Cube Devouring Strossus Diabolic Machine Dimir House Guard Dirty Wererat Draconian Cylix Dragon-Scarred Bear Drowned Drudge Reavers Drudge Skeletons Drudge Spell Duskworker Dutiful Thrull Duty-Bound Dead Earsplitting Rats Eater of Hope Elephant Graveyard Experiment One Ezuri, Renegade Leader Fanatical Devotion Feral Thallid Fiddlehead Kami

With it, it becomes a resilient threat, and it has extra potential in self-mill decks
It also exiles the target, which can be relevant against Macabre Waltz and Zombify