I think its more useful evaluating this card as a removal spell for artifact decks, because its cheap, and it can deal with the majority of threats that show up in EDH
Today, we're revealing nearly all the rest of our 30th anniversary promos, organized by the Prerelease event they'll be tied to
Skyshroud Ambush This is one of the only cards that care about the outcome of a fight, though win the fight isn't really defined by the rules of Magic
Transgress the Mind is a subtle card that has been the backup discard spell, the Ponder when you wanted Brainstorm, the Searing Spear because you didn't get Bolt
A simple example would be a control deck with very few creatures in the main deck
Its refreshing to see a commander like The Mimeoplasm, then, who offers a different angle on the familiar concept