That's because we're used to the idea that this is a reasonable price for a creature this size
The truth about Ursula - Power Hungry is that she can tank hits, she'll draw you a card, and she can Quest for 3
The deck includes a mix of removal, counter spells, card draw, and powerful planeswalkers who can help stabilize the board and take over the game
I just think Rydia's Return is overcosted and not good enough, though it does seem good out of the sideboard for slower matchups
WUBRG decks are always a little tricky to judge if they're not blatantly powerful right out of the box, and because the theming of this deck is so cool, it feels disruptive to try and make upgrades to it, so it's almost a case of being a precon that you shouldn't upgrade, but yet it desperately needs it
It can also be used defensively to keep attackers off your face or to reset things with counters on them