Grass Energy

Clay Burst · #99/71 · Ultra Rare · 2023JPN

$6.91

Market price ▲ 11.8% (30d)

Prices as of Sep 27, 2026

117graded pop

60%gem rate

4.5×PSA 10 vs raw

-65%off ATH $19.99 · May 2023

−$8.14EV to grade — don't

Market data

Price history

Holofoil▲ 0.0% 7d

Low $8.50Mid $12.25High $15.99

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-09-27

Grade 6 est.$14.98

Grade 5 est.$12.62

Grade 4 est.$10.41

Grade 3 est.$8.67

Grade 2 est.$7.10

Grade 1 est.$5.99

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$31.00

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

Graded population census · updated 2026-09-17

PSA93 graded · 49 gem 10

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CGC24 graded · 21 gem 10

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Population data from PriceCharting, updated monthly.

How much is Grass Energy #99/71 worth?

Right now (September 27, 2026) the going rate for an ungraded Grass Energy #99/71 from Clay Burst is about $6.91.

Grading changes the math on this one: a PSA 10 is valued around $31.00, roughly 4.5x the raw price, while a PSA 9 sits near $13.00. 93 copies have been graded to date, and 53% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.

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