Mewtwo LV.X is card #DP28 of 56 in DP Black Star Promos (2007), a Promo illustrated by Shizurow. At about $278 it is the #4 most valuable card in the set. It is one of 89 Mewtwo cards printed so far.
1999Base Set
2003Ruby & Sapphire
2006Holon Phantoms
2007DP Black Star Promos
2009Pokémon Rumble
2015BREAKthrough
2019Unified Minds
2023Crown Zenith

















See the full DP Black Star Promos card list
An ungraded Mewtwo LV.X from DP Black Star Promos sells for about $278. A PSA 10 is worth more, roughly $2,228 by our estimate, and a PSA 9 around $780.
It is a Promo.
Shizurow drew the art for this card.