This creature requires an additional one mana to duplicate a creature, and that hinders its efficacy
The first being that Commander is played at large events like GPs, and the announcement caused confusion and outrage towards tournament organizers who had to explain to paying customers their decision to either adhere to or deviate from the official rules of the format of the event they were hosting
Im pretty sure Id pass it during a day two draft at a Grand Prix in terms of power level/pick order, but just like with Muta, Ill never ship it at a casual draft because dolla dolla ooze, yall
You dont want to be ticking this up as Planeswalker in order to equip it
Basically, I think battles are what planeswalkers wanted to be, at least for game play
If a spell has in its mana cost, use the value chosen for that X to determine the mana value of that spell