Flooding the board with tokens can be an effective strategy for dominating the game, especially in Commander, where you have the time to run powerful token doublers like Primal Vigor and Doubling Season
If I was to play a major event though, I think the three/one split would be better, as some decks cannot beat the Angel in game one, but I would play the fourth Archon in the sideboard
The Ur-Dragons eminence ability is a passive ability word that works from either the battlefield or while your commander is in the Command Zone
Since you'll be casting Dragons repeatedly, the best kinds for a deck like this are ones with powerful enter the battlefield effects, like Thunder Dragon
It seems last time Pokmon Happy Meals were available, in early 2021, they were not an unqualified success - with scalpers turning up to snatch box after box, leading to limited supply
The worst grade you can get for centering is a 4 but if the card exhibits the features of a higher grader except centering, you'll have the chance at a grade 9 with the OC (Off-center) qualifier