Tezzeret has ditched his black and blue colours and has gone completely colourless, with abilities just about any deck would want
Frontline War-Rager's ability will check as your end step starts to see if you control two or more tapped creatures
According to Wizards, nothing in Pioneer has problematic win or play rates, which we dont entirely disagree with
It also means that while Henzie can cheat out Blightsteel Colossus a turn or two early (if it chose to play it, which it wouldnt, because of the shuffle but stick with me), Tannuk can get it out as early as Turn 4 with Haste (or even earlier with Sol Ring and Rituals)
Beseech the Queen, Demonic Collusion , Diabolic Revelation, Diabolic Tutor, and Increasing Ambition all tutors for setting yourself up or looking for a utility card to screw someone over