This Mewtwo's rise is destined to come soon, so be sure to grab this card while you can
Didnt have Japanese Shining Gyarados for almost 15 years, didnt have Unlimited Rage of the Broken Heavens for a little over 3 years and lets not even talk about Snap Gyarados
His single-letter nickname made him easy to remember, and it was probably a better choice than leaving his full name, Natural Harmonia Gropius, as the sole way to identify the character
Jace, Vryns Prodigy / Jace, Telepath Unbound While being mono-blue is somewhat limiting for deckbuilding options, Jace, Vryn's Prodigy offers great versatility
He spills Phyrexian ichor as he goes down
But there are steps to address the issue and avoid similar problems in the future