Boon Satyr is a threat that can evolve your creatures at instant speed while Become Immense can win the game out of nowhere
Paying two life may be a downside in other formats, but in Commander, with its starting life total of 40, it's a much less restrictive cost
Ursulas power increases throughout the game, so players are encouraged to customize their decks for their best chance of success at the extreme difficulty level
With standardization of rules text, it's also become much easier to read a card and readily understand what it's supposed to do
Worst case scenario, run it out as a slow 3-color land
Each of the three Arena draft modes differs slightly from real-life play, in which you pass left, right, and left again, and have to pull out the token/ad/art card