It does not matter if Archen is a Stage 1 or a Restored Pokmon as long as the name matches whats printed on the card, its a legal evolution
It does take some time of course, but thats fine Its an artifact, which some Blue decks care about, and it puts two cards into your graveyard all on its own, something other Blue decks care about
You might not want to run cards like [c]Disenchant[/c] in your main deck, since not a lot of decks play enchantments, but Disenchant is just the right kind of card for your sideboard
Elsa is all about questing, with a perfectly decent 3 strength and 4 willpower that boosts up to 6 strength on the offensive thanks to the Challenger ability
We still want those new players, so going back to the pre-2020 model is not a good idea