Its actually one of the better counterspells ever printed with regard to the Commander formatlet me explain why
You can also run both of them in your deck, which may be especially good if you play VS Seeker
Besides the two changeling creatures already in this build, there are 22 other changeling shapeshifter creatures in Naya Commander colors that could be part of your creature base
That means the shackles are off for our industry-leading designers to build and create cards and in-depth gameplay around new mechanics and unexpected but wildly fun concepts, all of which can be adapted for MTG Arena thanks to the new GRE under the hood
Hell, there are even some Digimon that may end up being counted retroactively (a lot of people wouldn't have considered Shoutmon's King Version or Justimon's Trinity Arms as seperate forms until the Reference Book included them, and before Digimon World 2 gave Blikmon their name and featured them as playable, they appeared in the first Digimon World seemingly as non-Digimon, only having the name "buriki ningyou" or "tin dolls")