Its a more protected but altogether weaker version of Nyxbloom Ancient
If a Vehicle has a strong enter-the-battlefield or ability trigger when attacking, this allows you to use them while ensuring the Vehicle stays safe or getting the triggers twice in one turn
Still, the game does a superb job of striking a balance between being an easy route of entry for newcomers and offering just enough post-game challenge and competitive play elements (and nostalgia, of course) to please series veterans
Oketra the True I would play this over Siege Modification it can't crew all your vehicles like siege can but it also doesn't set you up for a two for one, one of its tokens can actually crew Untethered Express or they can work with the god to crew other ones, and it survives your boardwipes as well as Hour of Devastation
You can wipe your forehead with it and keep going if you break a sweat during a fiery battle
Some marquee creatures to cheat in include Avacyn, Angel of Hope, Terror of the Peaks, and Bloodthirster