unhinged mtg cards Spell Counter You may play cards as though they were other Magic cards of your choice with the same mana cost Unhinged - Visual Spoiler -

There is, in fact, a community of proxy-peddlers and their clients which you wont find with the best of Google searches or the most thorough scouring of some shady websites

Im not sure why you would build your deck around your commander only to have it change into another creature, unless your commander accumulates +1/+1 counters on it like Wyll, Blade of Frontiers, and once youve got enough on it you can copy a creature with a large body

And its not like blue has any way to gain additional card incomeright

It works like a mixture of venture and monarch , which means its a familiar mechanic that wont feel new or overly complicated like other new mechanics often do