Omastar

Power Keepers · #20/108 · Rare · 2007

$1.75

Market price ▲ 8.7% (30d)

Prices as of Aug 14, 2026

Normal Reverse Holofoil

HP 110WaterStage 2Art · Ken Sugimori

281graded pop

12%gem rate

4.0×PSA 10 vs raw

-25%off ATH $3.89 · Jan 2021

+$11.36EV to grade — marginal

Market data

Printings & price history

Normal▲ 0.0% 7d$1.75

Low $0.69Mid $1.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$2.77

Grade 5 est.$2.34

Grade 4 est.$1.93

Grade 3 est.$1.61

Grade 2 est.$1.31

Grade 1 est.$1.11

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$69.99

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-01

CGC134 graded · 10 gem 10

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PSA17 graded · 2 gem 10

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Population data from PriceCharting, updated monthly.

Attacks

Pull Down

If your opponent has any Evolved Pokémon in play, remove the highest Stage Evolution card from each of them and put those cards back into his or her hand.

30+Hydrocannon

Does 30 damage plus 20 more damage for each Water Energy attached to Omastar but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.

How much is Omastar #20/108 worth?

A raw copy of Omastar #20/108 (Power Keepers, 2007) is worth about $1.75 right now, based on the latest market data from August 14, 2026. Across the 2 printings we track, copies run anywhere from $0.69 to $1,248.34 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $69.99, roughly 40.0x the raw price, while a PSA 9 sits near $51.51. 134 copies have been graded to date, and 7% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Omastar has moved over time.

Collecting Power Keepers?Full master set guide — every card, chase list, and completion cost→