Well, if you hit a Wrenn's Resolve off Geological Appraiser, are you happy
From there, you can follow up with a Pippin, Warden of Isengard, and its ability to sacrifice four Food tokens to give all your other creatures +3/+3 and haste to stand up against your foes
The first of those is cost reduction, and the second is when a card allows you to take extra turns
The last ability gives you a ticket counter, but it doesn't enable you to put a sticker on anything
This opens slots up for more generically powerful cards, making the deck powerful with Stella in play, but not reliant on her to function
Supply is certainly going to be constrained (how many people came in second place during the Arena League that season?), and demand for such cards must be sparse in kind