Arid Archway is an interesting design that can provide some value, but I suspect that providing only colorless mana, it will end up being too weak to include in most decks
I've run commander decks successfully with as low as 32 lands before, so going down to 34 in this deck doesn't seem too awful
Zidane Tribal Ragavan, Nimble Pilferer can be extremely groan inducing on turn 1, but surprisingly tame in Limited otherwise
With cards like Senses Diving Top, you can manipulate the top three cards of your library to try and pick what Dinosaur youre going to reveal first
Youthful, arrogant, and fanatical, Reidane is extremely zealous in her pursuit of, well, justice
Players enjoy building decks that suit their particular style, and having modified cards enhances that