By turning all nonbasic lands into Mountains, Blood Moon has the potential to either stall or completely devastate your opponents mana base depending on the deck theyre playing
In Pioneer, it enables a powerful combo-esque deck where you discard Parhelion II to your dino and use Greasefang, Okiba Boss to cheat it into play
To soon to tell
They would also be terrifying, since a 10/10 commander is a terrifying concept, and thats before they get additional power boosts
Not only is she a quick pup with flash, but she also has a great ability that's very easy to exploit and build around, which has been done in Modern, Cube, and Commander formats
That approach was especially helpful since it kept the Towns themselves simple while letting us put the synergistic text on green and blue cards that made for a fun draft archetype