Building a deck around the Baron is going to require careful consideration: when I build Commander decks, I usually make piles by converted mana cost and make decisions on what to play and what not to play based on having a good mana curve
Library of Alexandria provides free card draw, assuming you dont mind playing a little off-curve to tap it each turn
Enduring Innocence won't have those creature types when its last ability returns it to the battlefield because it won't be a creature
That said, it isn't even clear that it was better than High Tide
As such, each time you cycle a card you'll trigger Queza, Augur of Agonies' effect
As odd as it sounds, from a financial perspective, the set will have much more long-term potential if it fails while it's in print because there would be fewer of the basic lands on the market, giving them the potential to end up more expensive over the long haul