I dont think this is too much of a hoop to jump through if you plan on using the land anyway especially with White centric untap effects or even just vigilant creatures to keep some pressure on
Its built to help you format your custom cards like a real Magic: The Gathering card: mana cost, type line, rules text, power/toughness, and all the layout choices that keep your creation readable
In each country, there is a certain importance of Pokmon and human characters of your choice, citing for example two extreme cases: In Japan, Rayquaza is still firmly in the Japanese country as one of the most beloved legendary, for having that treatment of Japanese mythology about dragons of being fantastic creatures in their folklore, alluding to national pride
But it doesn't matter what the Avatar version looks like
Both create mana as they do so, but Mishra's card make temporary mana, and Urza's permanent, in the form of Powerstone tokens