It encourages fast, explosive games but benefits those who can utilize green mana better than opponents
For example, a card with high cost and destructive potential can be balanced by cards that reduce its cost or speed up its play
If youre worried about build time (which is usually about 50 minutes), you can mitigate time anxieties by having a baseline done early (i.e., I know Im playing UB because I have Edgar, Sephiroth, Odin, and Ultimecia, Time Sorceress, but should I splash red for anything?)
It's 4/3 body does feel less impressive though
It goes infinite with a Phyrexian Metamorph, a Sculpting Steel, a Thopter Assembly basically, if you sneeze too close to this sphinx, Sharuum combos out in a heartbeat