You may put any number of permanent cards with mana value X or less from among them onto the battlefield
If your cards are in slightly lower condition than expected, the payout adjusts based on their grading scale, but you can request to be contacted before they finalize any changes
While some Pokemon spike in popularity when a single chase card is released before fading back into the pack, Mewtwo has produced genuinely valuable, genuinely sought-after cards in Base Set, the Wizards-era Gym sets, the ex era of the mid-2000s, the EX era of XY, the GX era of Sun and Moon, the V/VSTAR era of Sword and Shield, and now the modern Scarlet and Violet era
White does have some other indisputable things going for it: a large amount of its presence in Constructed formats is owed to incredibly powerful sideboard cards like Rest in Peace, Stony Silence, Deafening Silence, and Leyline of Sanctity
If the copied permanent is copying something else, then the token enters as whatever that permanent copied
Gilgamesh, Master-at-Arms Series: From Final Fantasy V and later Spoiler Level: Low Well not exactly the unique effect, with multiple cards over the years representing similar abilities