The more parent sheets you need for your project the higher your cost
The equip cost for Rope is a little steep, but boosting a creatures toughness and making it blockable by only one creature might be worth it
I personally think that the deck was intentionally set to two colors to both align with the popular new character, Saheeli Rai, and to make sure it felt meaningfully different from the four-color artifact deck from Commander 2016
It is not that it is any harder than Obosh to make as your companion, just that you also have to build a deck that wants it and that is good for Gyruda as well
Hidetsugu, Devouring Chaos Be honest, Hidetsugu, Devouring Chaos players: Have you ever won a match and declared it Game Ogre? Or perhaps said: Get Shrekd? Shrek Universes Beyond when, by the way
Similarly, replacement effects that modify how creatures you control enter the battlefield will see Arixmethes entering as a creature rather than a land