Condition plays a big role here, given the potential value of a Xerneas EX in NM condition, with such copies commanding up to $30, while LP copies drop below $20, indicating that there's a strong demand to buy and grade this card, which could potentially enhance the value depending on the company and grade
March of the Machine s new Battle cards introduce an interesting new flavour to play and thanks to the variety of effects and transformed creatures spanning from across the Multiverse, can slot in nicely into a range of different decks in varying game formats
Building around to use the commander helps focus a deck, even if that focus is just mechanical in nature
I would keep it, seems good
It offers you a bit of defense by stunning an opposing creature when you get attacked, and with proliferate, its not untapping any time soon
Its free removal, it stops artifact and enchantment based combos when you have no mana open