Place 1 Option card with the [Three Musketeers] trait among them as this Digimon's bottom digivolution card
He leads with Psywave Mew
I would make one edit: "Once per turn, if your opponent activates a card effect: You can pay half you LP, negate that activation, and if you do, destroy that card." The way you have it worded right now, it would be mandatory to activate it the first time your opponent activates a card each turn
Valley Mightcaller might not be a squirrel itself, but it grows any time a Squirrel enters, and that includes tokens
The Pokemon V are: Rillaboom, Eldegoss, Ninetales, Cinderace, Milotic, Inteleon, Eiscue, Boltund, Toxtricity, Pincurchin, Dragapult, Sandaconda, Falinks, Malamar, Copperajah, and Dubwool
You can choose how you appear to other players, be that as a Lass or a hulking great Hiker, but your options are severely limited and its just not the same