Iron Boulder (Master Ball Pattern) 077/187 Japanese

SV8a: Terastal Fest ex • Common • Holofoil

All 10 printings from $0.13 →

Sold $3.31 (Oct 12) and $3.52 (Oct 7)

2 NM sales this week · 2 in 30 days

TCGplayer market $3.34as of Oct 12, 2026↑ +$0.05 (+1.5%) this week

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Selling it? At market it nets about $2.59 on TCGplayer or $2.57 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-12

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)

2 / 2

NM sold between (7d)

$3.31–$3.52

Cheapest listing

$3.02

Units sold per day, Sep 4–Oct 12 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Sep 4	1	$3.14–$3.14
Oct 7	1	$3.52–$3.52
Oct 12	1	$3.31–$3.31

Condition	Sold 7d	Sold 30d
Near Mint	2	2
Lightly Played	0	0

Sales data: TCGplayer

Quick answers

How much is Iron Boulder (Master Ball Pattern) 077/187 Japanese worth?

As of October 12, 2026, Iron Boulder (Master Ball Pattern) 077/187 Japanese from SV8a: Terastal Fest ex has a TCGplayer market price of $3.34. 2 Near Mint copies sold on TCGplayer this week at $3.31 to $3.52.

Is Iron Boulder (Master Ball Pattern) 077/187 Japanese going up or down in price?

Its TCGplayer market price is up 2.8% over the past 30 days and up 1.5% over the past week, as of October 12, 2026.

Price Snapshot

Market

$3.34

Low

$3.02

Mid

$3.67

High

$11.00

7-Day:+$0.05 (+1.5%)

30-Day:+$0.09 (+2.8%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$1.67	Cash buylist, low end
60%	$2.00	Cash buylist, typical
70%	$2.34	Buylist top end, store credit
80%	$2.67	Bulk lot or quick sale
90%	$3.01	Quick sale, just under market
100%	$3.34	Market price
110%	$3.67	Asking price, room to negotiate
120%	$4.01	Asking price, room to negotiate
150%	$5.01	Presale and hype pricing

Your price (USD)

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Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 140 HP · Psychic

PCAdjusted Horn170
If you don't have the same number of cards in your hand as your opponent, this attack does nothing.

Weakness [Darkness] x2 · Resistance [Fighting] -30 · Retreat 3

Where to Buy

TCGPlayerRaw$3.34Raw copies, condition graded by the marketplace

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eBayRaw listings

Raw listings

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