Don't get hung up on the idea of being a tokens deck: Monastery Mentor makes tokens, but if anyone suggested playing Glorious Anthem or Opposition to 'combo' with Mentor then it would rightly be seen as going overboard

So again Paladin Class doesn't really make much sense for the deck because it's basically just a big glorious anthem
Monk Class is *okay* but it seems like it's rarely going to be better than copying something else with Estrid's Invo like abundant growth or whatever

The problem with the artifacts idea is that all the enchantments you supposedly want to copy cost way too much mana (except for Urza's Saga which has no great synergy with being copied anyway)