During your opponent's next turn, if this Pokémon is Knocked Out by damage from an attack, discard an Energy attached to the Attacking Pokémon.
Flip a coin. If heads, your opponent's Active Pokémon is now Asleep.
Gastly from Evolutions is currently trading around $0.18. Week-over-week movement is lower by 5.3%.
Current value trails the 30-day mean ($0.18) by 2.5%. The 90-day window shows a floor near $0.11 and a peak around $0.22 (61% total spread), which maps to high-volatility movement.
This version is categorized as Common.
Pricing context for collectors: Week-over-week movement is negative (5.3%); this leaves value 18% under the 90-day peak. Observed 90-day bounds of $0.11 and $0.22 create a 61% band, matching a high-volatility profile.
Relative to the 30-day baseline ($0.18), pricing is near equilibrium. Condition sensitivity is substantial: PSA 10 carries a +50556% premium over raw value.
PSA 9 is currently around $25.04, while PSA 10 is $91.18.
Gastly appears in Evolutions, released in 2016. Card flavor text reads: "A being that exists as a thin gas.
It can topple an Indian elephant by enveloping the prey in two seconds." Its card type is Pokémon. The rarity label is Common.
Printed HP is 40. Energy typing is Psychic.
It carries a Basic subtype designation. Notable move text references "Little Grudge" and "Nightmare".
Other Gastly printings create a useful comparison set for Gastly. This comparison sample includes 6 alternatives across 6 sets.
In this sample, pricing ranges between $0.07 and $7.60 (10757% total span). Relative to the alternative average ($1.38), this card is -87%.
Notable alternatives include Gastly #123 (Ascended Heroes) at $0.07, Gastly #54 (Phantasmal Flames) at $0.12, Gastly #XY132 (XY Black Star Promos) at $7.60, and Gastly #58 (BREAKthrough) at $0.22.
Release year for Evolutions is 2016. Series classification for this set is XY.
Set size is 113 cards, which categorizes Evolutions as mid-size. As of 2026, the set is 10 years old and now falls into an established back-catalog period.
In the Evolutions checklist, Gastly occupies position #47 as a Common card.
