Question 1

What is the current market value of Bastiodon #21?

Accepted Answer

Current market pricing for Bastiodon (Mysterious Treasures) sits near $0.93. Compared with last week, pricing is 2.2% higher. Current value is elevated versus the 30-day mean ($0.90), by 3.1%. In the past 90 days, observed prices ranged from $0.80 to $0.93 (14% spread), a low-volatility profile. Rarity classification for this copy is Rare.

Question 2

Is Bastiodon #21 a good investment or collectible?

Accepted Answer

Current valuation lens: Short-term momentum is positive (2.2% over 7 days), while the card sits 16% above its 90-day low. Observed 90-day bounds of $0.80 and $0.93 create a 14% band, matching a low-volatility profile. Versus the 30-day average ($0.90), the card is trading 3.1% higher. Available graded data shows PSA 9 at $9.58, which is +930% versus raw pricing.

Question 3

What is Bastiodon #21 and what makes it special?

Accepted Answer

Bastiodon appears in Mysterious Treasures, released in 2007. Card flavor text reads: "Any frontal attack is repulsed. It is a docile Pokémon that feeds on grass and berries." Its card type is Pokémon. The rarity label is Rare. Printed HP is 130. Energy typing is Metal. Bastiodon evolves from Shieldon. Printed ability include "Protective Wall". Attack line includes "Anger Revenge". It has a weakness to Fire and resistance to Psychic. It requires 3 energy to retreat. Within set composition, this rarity normally lands above common and uncommon print tiers.

Question 4

What are the alternative Bastiodon cards available?

Accepted Answer

Other Bastiodon printings create a useful comparison set for Bastiodon. The current sample spans 6 comparable cards from 6 sets. Observed alternatives run from $0.35 to $89.98 (25609% spread). The current card sits -94% versus the sampled alternative average of $16.09. Notable alternatives include Bastiodon #14 (Pokémon Rumble) at $89.98, Bastiodon #110 (Astral Radiance) at $0.35, Bastiodon #85 (Ultra Prism) at $1.01, and Bastiodon #70 (Steam Siege) at $0.39.

Question 5

What set is Bastiodon #21 from, and when was it released?

Accepted Answer

Release year for Mysterious Treasures is 2007. Mysterious Treasures is grouped under the Diamond & Pearl era. The checklist contains 124 cards, placing it in a mid-size expansion range. As of 2026, the set is 19 years old and fits a legacy-era profile. Bastiodon (#21) is one of the Rare prints in this expansion.

Bastiodon #21

Price history

All Bastiodon cards

Card details

Attacks