Translation for the notes above, starting from the top left in clockwise order: The right part of Arcanines mane looks like a ponytail blowing in the wind, so try to make it a bit shorter
Literally any word you pick functions the same as any other word
They are great lands in a vacuum and will be huge when paired with the Verges
A 4/5 flying trampler for four mana with an easily mitigated drawback sounds like a good deal to me, especially when you can leverage milling yourself for other benefits as well
Some of these non-Pladean exclusive Pokmon have ex versions which, rather than being basic Pokmon like Pokmon EX cards, can be Pokmon of any evolutionary stage
After spending a lot of time to figure out exactly which cards would be leaving (again - way harder to do than it should be) and doing a lot of research on competitive Pauper events, here's the 25 cards you'd need on the "additions" list