Powerful and expensive commanders are usually the most vulnerable to being countered, so those are the decks youll want these cards in
Golos finds itself in the unfortunate position of being the de facto best in slot commander for many strategies that arent overwhelmingly commander-centric
Saheeli the Gifted One of the low points of Kaladesh from a Vorthos perspective was that Saheeli, who had been billed as the face of the set, was rather underwhelming for many, as she never proven important to the blocks story
Two mana to activate is very reasonable, and phasing the creature you control out means its more effective than blinking when it comes to a creature thats equipped or enchanted with Auras
If you manage to transform it for a whopping 9 or 10 mana, you get an even better 11/11 with trample, indestructible, and damage with poison counters