Flip a coin. If heads, the Defending Pokémon is now Asleep.
This attack does 20 damage plus 10 more damage for each Energy card attached to the Defending Pokémon.
Collector-focused market read: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. With a 10% 90-day spread ($39.06-$43.47), this card currently tracks as low-volatility.
Current value remains close to its 30-day mean ($43.39). Condition sensitivity is substantial: PSA 10 carries a +1633% premium over raw value.
PSA 9 is currently around $185.49, while PSA 10 is $749.16.
Mewtwo (Expedition Base Set) is presently valued at about $43.24 in raw condition. Its 7-day movement is largely flat at 0.0%.
That is close to the 30-day average of $43.39. In the past 90 days, observed prices ranged from $39.06 to $43.47 (10% spread), a low-volatility profile.
This version is categorized as Rare.
Mewtwo appears in Expedition Base Set, released in 2002. Core profile: Its card type is Pokémon.
The rarity label is Rare. Printed HP is 70.
Energy typing is Psychic. Card subtype classification is Basic.
The printed attacks highlight "Hypnosis" and "Psychic". The card has a weakness to Psychic.
Expedition Base Set entered circulation in 2002. It belongs to the E-Card series.
Set size is 165 cards, which categorizes Expedition Base Set as mid-size. As of 2026, the set is 24 years old and fits a legacy-era profile.
In the Expedition Base Set checklist, Mewtwo occupies position #56 as a Rare card.
A wider Mewtwo checklist helps contextualize this specific Mewtwo print. Comparable entries in this snapshot: 6 cards, 5 distinct sets.
Observed alternatives run from $0.33 to $46.10 (13870% spread). The current card sits +212% versus the sampled alternative average of $13.86.
Notable alternatives include Mewtwo #XY100 (XY Black Star Promos) at $12.17, Mewtwo #XY101 (XY Black Star Promos) at $21.50, Mewtwo #51 (Evolutions) at $1.95, and Mewtwo #56 (Brilliant Stars) at $0.33.
