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Magic · Outlaws of Thunder Junction · #203 · Uncommon

Ertha Jo, Frontier Mentor

Magic card price for Ertha Jo, Frontier Mentor: $0.35 market, from $0.05 at the cheapest listing, Foil printing, updated Oct 18, 2026. Full price history since Apr 4, 2024 below.

Market price · Foil · Oct 18, 2026
$0.35
+2.9% this week · +12.9% in 30 days
Buy on eBay →
1 day0.0%
7 days+2.9%
30 days+12.9%
90 days−2.8%
1 year+150.0%
All time−82.5%

Sellers right now

$0.05lowest listing$20.00highest
Market price$0.35
Mid listing$0.35
Direct$0.13
30-day avg$0.32

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$0.35
Cardmarket$0.21 €0.19

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$0.1152-week low$0.3852-week high
In the range89%
All-time low$0.07
All-time high$2.00
First priceApr 4, 2024
Foil · market priceCardmarket (EU, in USD)
$0.00$0.73$1.46$2.19
$0.35
Apr 2024Feb 2025Dec 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Ertha Jo, Frontier Mentor (Foil) was released in April 2024. Launch-week prices are left out here: before supply arrives they are mostly guesses. Across the past year it went +150%, with a low of $0.11 and a high of $0.38; today it sits near the top of that range. The cheapest listing right now is $0.05, and the 30-day average market price is $0.32.

Printings

PrintingMarketLowHigh7d
Foil$0.35$0.05$20.00+2.9%
Normal$0.23$0.01$1,000.00−14.8%

The card in play

Power / Toughness2 / 4
Type line
Legendary Creature — Kor Advisor
Rules text

When Ertha Jo, Frontier Mentor enters the battlefield, create a 1/1 red Mercenary creature token with "T: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.

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