Getting tokens isn't a thing you reach into a sideboard for, but a pseudo-wheelwheel
Incidentally, I would love to find a way to work Nykthos, Shrine to Nyx into the deck, but it will definitely require accurately predicting the field to tune the sideboard
Fetchlands like Misty Rainforest are great ways to reset the top of your library to get a fresh look with The Fourth Doctor, but Id also recommend trying out cards like Bant Panorama and Shire Terrace which enter the battlefield untapped and tap for colorless mana in the early-game, and then you can cash in for a basic land and shuffle your library later when you need it
However, what you give up for a better Rakdos Midrange matchup is that you are worse against Abzan Greasefang due to your lack of interaction spells, and you are unflavored in the aggro mirror against Mono Red decks because they have access to Rending Volley and Goblin Chainwhirler
[card]Assemble the Legion[/card] People who cube with me know that this, like [card]Progenitor Mimic[/card], is one of my favourite cards of the year (or perhaps ever)
So what makes this card so exciting