Think of all the extra basic lands, the extra Seize the Spoils copies you pulled from Secrets of Strixhaven , the Goldvein Picks from Foundations , or the many commons, uncommons, rares, and mythics that dont see as much gameplay as the staples in various formats
The goal is to either +1 and untap enough mana from mana rocks that youre basically getting Tezzeret for free, or -3 to tutor up a good artifact and leave Tezzeret in play
(2/7/2025) "Max speed [ability]" means "As long as you have max speed, this object has [ability]." If the granted ability functions in a zone other than the battlefield, the max speed ability does too.
A focused commander makes every card slot more efficient and reduces dead draws
Some of these are climbing into legit pricey territory too