At just 1GW, Arahbo, Roar of the Worlds ability to give an attacking +X/+X, where X is its power, can quickly make your creatures a game-ending threat that are hard to stop without removal thanks to that lucky cat also getting trample
Some of these questions are addressable (at least for me)
You generally need something like these cards to make that work
Whenever you cast a spell, if its mana value is equal to 1 plus the number of soul counters on Obscura Ascendancy, put a soul counter on Obscura Ascendancy, then create a 2/2 white Spirit creature token with flying
Also remember that Colorless Pokemon can use any type of Energy
Symbols at the end of a Pokmons name are part of a Pokmons name: Alakazam, Alakazam , and Alakazam h all have different names from each other However, (Delta Species) is not part of a Pokmons name