mewtwo ex basic pokemon card (52/108) XY Evolutions Holo Attack 3 Team Rocket's Mewtwo ex —

Best case, this becomes a key sideboard card and spikes to like $10 at some point

Training Grounds can reduce the amount you pay for a creature's activated ability cost that includes

Creepiness aside, he seems like a cool recursive attacker who will continue to harass your opponents using the Armour of Shrieking Souls as long as you can make sure that their creatures keep leaving the battlefield

While its rarely offered for sale, collectors believe it could fetch up to $10,000

One ongoing concern of this budget-focused format is, believe it or not, card availability especially in paper play, where certain ancient yet powerful commons had been creeping up in price