For those occasions, I pull out The Big Guns, aka Talrand, Sky Summoner
Jund is probably the color identity where youll sacrifice lands the most, allowing you to use its ability when it enters, too
In your first game, youll play with the deck you started out with, but in games two and three, you can make slight modifications to your deck
Artifact Color tag templates(None) Mindcrank Whenever an opponent loses life, that player mills that many cards
If you had to choose between either rat ninja to be your commander, I believe Nashi, Moon Sage's Scion would be the better choice
Plenty of Legendary-matters Commander decks will snap this up: Jodah, Kethis, Sisay Vizier of the Cryptolithright