There was a Nicol Bolas Card from the War of the Spark set that had some of that feel, so the vibe isnt gone
Warhammer 40,000 Commander Decks Fell the Mighty Thunderhawk Gunship Redemptor Dreadnought Reaver Titan Knight Paladin Inquisitorial Rosette Sister Repentia Primaris Chaplain The Flesh is Weak Epistolary Librarian Deny the Witch Cybernetica Datasmith Company Commander Assault Intercessor Primaris Eliminator Arco-Flagellant Sister of Silence Sicarian Infiltrator Vexilus Praetor Ultramarines Honour Guard Thunderwolf Cavalry Space Marine Scout Space Marine Devastator Grey Knight Paragon For the Emperor
They put one on the bottom of your library
A massive 6/6 wurm with deathtouch and lifelink is hard to race in the air or on the ground, and even if you kill it with a removal spell or a double block, it returns as two bodies which can be way worse
This would make the board wipe feel one-sided, wiping out your opponents creatures and replacing yours with a massive army
Whether you view it as an investment, a piece of nostalgia, or a historical artifact, the Shadowless Mewtwo delivers on every level