This attack does 20 more damage for each Energy attached to your opponent's Active Pokémon.
Barrier
During your opponent's next turn, prevent all effects of attacks, including damage, done to this Pokémon. If 1 of your Pokémon used Barrier during your last turn, this attack can't be used.
“A Pokémon whose genetic code was repeatedly recombined for research. It turned vicious as a result.”
How much is Mewtwo #51/108 worth?
Right now (November 6, 2026) the going rate for an ungraded Mewtwo #51/108 from Evolutions is about $3.59. Across the 2 printings we track, copies run anywhere from $1.14 to $142.86 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $415.00, roughly 115.6x the raw price, while a PSA 9 sits near $49.71. 3,762 copies have been graded to date, and 24% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.