With both Golos and Jodah, you're still bound by the luck of the draw, while Sissay can set up everything you need
You have Nagas, Serpents, and Snakes, all snake-like, but rarely untied under one Commander
Being short on long-term value while trading early cards for damage will leave you way behind the boards of white and green decks before you know it, while blue and black can stabilize and keep you off the finishing blow with interaction
If every creature type starts frequently being batched together using typal coupling, the things that make a specific creature type unique will fall by the wayside
Artifact Color tag templates(None) Mirror Shield Equipped creature gets +0/+2 and has hexproof and "Whenever a creature with deathtouch blocks or becomes blocked by this creature, destroy that creature." Equip ( : Attach to target creature you control
This Eldrazi behemoth was one of the better options when building a colorless deck at this time