Pricing context for collectors: Weekly drift is minimal (-0.5%), indicating a relatively balanced short-term market. Observed 90-day bounds of $1.53 and $1.91 create a 21% band, matching a moderate-volatility profile.
Current value is 4.1% above its 30-day reference ($1.78). Condition sensitivity is substantial: PSA 10 carries a +1664% premium over raw value.
PSA 9 is currently around $8.00, while PSA 10 is $32.63.
Latest market snapshots place Mary's Impulse in Expedition Base Set at roughly $1.85. Price action is stable over 7 days, moving only -0.5%.
Against its 30-day baseline of $1.78, this card is pricing 4.1% higher. In the past 90 days, observed prices ranged from $1.53 to $1.91 (21% spread), a moderate-volatility profile.
This version is categorized as Uncommon.
Mary's Impulse appears in Expedition Base Set, released in 2002. Its card type is Trainer.
The rarity label is Uncommon. Card subtype classification is Supporter.
Card rules text: You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon.
When your turn ends, discard this card. Flip a coin until you get tails.
Release year for Expedition Base Set is 2002. Expedition Base Set is grouped under the E-Card era.
With 165 listed cards, this is a mid-size set by modern TCG standards. As of 2026, the set is 24 years old and fits a legacy-era profile.
In the Expedition Base Set checklist, Mary's Impulse occupies position #142 as a Uncommon card.