Then you kill other players no countering or gaining life instantly since it hits you all too as long as you have the most life
DFCs give a bit more space to designers, and modal dual faced lands give flexibility to deck builders
When R&D was working on the Sixth Edition rule change, I brought up to Bill Rose (the current vice president of R&D, who was the head designer at the time, and was the one mainly responsible for overseeing the Sixth Edition rules) that the "tapped artifacts shut off" rule was confusing, non-intuitive, and constantly causing problems
Well, heres another win condition
mechanic, you can get them all in this deck for the same price as just buying the singles
Wait a minute, so does Duelist Level actually exist in the game