Mystery Plate β #134

Pricing context for collectors: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. Observed 90-day bounds of $4.96 and $5.32 create a 7% band, matching a low-volatility profile.

Relative to the 30-day baseline ($5.19), pricing is near equilibrium. Graded context points to a substantial premium curve, with PSA 10 at +280% above raw pricing.

PSA 9 is currently around $21.13, while PSA 10 is $20.14.

Mystery Plate β from Skyridge is currently trading around $5.30. The 7-day delta remains near neutral at 0.0%.

It now sits 2.0% above its 30-day average of $5.19. In the past 90 days, observed prices ranged from $4.96 to $5.32 (7% spread), a low-volatility profile.

The listed rarity for this print is Uncommon.

Mystery Plate β appears in Skyridge, released in 2003. Its card type is Trainer.

The rarity label is Uncommon. Card subtype classification is Technical Machine.

The card text reads: Attach this card to 1 of your Pokémon in play. That Pokémon may use this card's attack instead of its own.

At the end of your turn, discard Mystery Plate β. Notable move text references "Stone Crush".

Skyridge entered circulation in 2003. It belongs to the E-Card series.

With 182 listed cards, this is a large set by modern TCG standards. As of 2026, the set is 23 years old and fits a legacy-era profile.

Mystery Plate β (#134) is one of the Uncommon prints in this expansion.