It might well be too narrow for the cube having only really one home but I would still expect it to get more play in constructed decks than it has (which is also none)
Whether you pulled one from a dusty shoebox or you are actively building a Mewtwo-focused collection, this guide covers everything worth knowing: who Mewtwo actually is, what powers it carries, how it transforms, the most important card versions, what they are worth, and how to protect and display a card that deserves more than a sleeve at the bottom of a binder
Direct damage is supported by cards like Magmatic ForceMagmatic Force, Kaervek the MercilessKaervek the Merciless, Tectonic GiantTectonic Giant, and Brash TaunterBrash Taunter (my boo), with some damage enhancement coming from Dictate of the Twin GodsDictate of the Twin Gods
But you're spoiled in green for choice for a 2-mana ramp spell and while Emerald Medallion sticks around there are easier ways to ramp in green without having to worry about protecting an artifact
Let's aim for this even in Limited
While this is going on, you should be building up to more powerful characters like Mickey Mouse, Wayward Sorcerer and Moana, Of Motunui