Well take a look at each card in depth, but my initial feeling is that some of the higher-end mythics and rares still have some room to drop in price, while a lot of the lower-level staples are currently being underpriced
(12/7/2018) Similarly, if the exiled card somehow leaves exile while Living Lore is on the battlefield, it will become a 0/0 creature
Here are my choices for the top artifact creatures ever printed
One more item that Ive encountered that may end up being super relevant: The uncommons from the Set/Theme Booster exclusives are ONLY in those specialized boosters
It will have summoning sickness though, since the control period was not continuous
In a 40-life format like Commander that won't typically be a may effect, most will happily draw a few cards for a few life without having to invest any resources like cards or mana