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Ertha Jo, Frontier Mentor Outlaws of Thunder Junction MTG card
OTJ #203 · Art by Michal Ivan
OTJ set symbol, UncommonOutlaws of Thunder Junction#203Uncommon

Ertha Jo, Frontier Mentor

Legendary Creature · Kor Advisor
TCGplayer market · OTJ #203 nonfoil
$0.23 0.0% $0.00, 7 days
1-year range
30 days
−17.9%
EDHREC rank
#8,424 Down 171 in 30 days
Best buylist

Buy OTJ #203 nonfoil

TCGplayer, $0.23 (opens in a new tab) Card Kingdom, (opens in a new tab) Mana Pool, (opens in a new tab) eBay, Check price (opens in a new tab)

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Ertha Jo, Frontier Mentor Price Summary

The benchmark price (cheapest playable nonfoil) is $0.23, flat over 7 days, down 17.9% over 30 days, up 15.0% over 90 days.

Ertha Jo, Frontier Mentor Price History

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Ertha Jo, Frontier Mentor price history chart, default range 3 months. currently $0.23.

Where to Buy and Sell Ertha Jo, Frontier Mentor

Every market we track for OTJ #203 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Ertha Jo, Frontier Mentor in Sealed Products

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Ertha Jo, Frontier Mentor Printings & Prices

Ertha Jo, Frontier Mentor has 2 tracked printings across 2 sets, in nonfoil and foil finishes.

OTJ set symbol, UncommonOTJ #203
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PLST set symbol, UncommonPLST #OTJ-203

Sell Ertha Jo, Frontier Mentor: Buylist Offers

BuyerPrintingFinishCash offerMarketSpread to market
Card KingdomOTJ #203Foil
Card KingdomOTJ #203Nonfoil

Ertha Jo, Frontier Mentor Rules Text & Legality

Ertha Jo, Frontier Mentor

When Ertha Jo enters, 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.

Ertha Jo, Frontier Mentor is legal in Standard, Pioneer, Modern, Legacy and Commander, and not legal in Pauper.

  • BrawlLegal
  • CommanderLegal
  • Competitive BrawlLegal
  • Duel CommanderLegal
  • Future StandardLegal
  • GladiatorLegal
  • HistoricLegal
  • LegacyLegal
  • ModernLegal
  • OathbreakerLegal
  • PioneerLegal
  • StandardLegal
  • Standard BrawlLegal
  • TimelessLegal
  • VintageLegal
  • AlchemyNot legal
  • Old SchoolNot legal
  • PauperNot legal
  • Pauper CommanderNot legal
  • Penny DreadfulNot legal
  • PreDHNot legal
  • PremodernNot legal
View on Scryfall ↗

Ertha Jo, Frontier Mentor Rulings

  • Apr 12, 2024

    Activated abilities contain a colon. They're generally written "[Cost]: [Effect]." Some keyword abilities (such as equip) are activated abilities and will have colons in their reminder text.

  • Apr 12, 2024

    Any choices made when the ability resolves won't have been made yet when it's copied. Any such choices will be made separately when the copy resolves.

  • Apr 12, 2024

    If an ability is linked to a second ability, copies of that ability are also linked to that second ability. If the second ability refers to "the exiled card," it refers to all cards exiled by the ability and the copy. For example, if one of Helvault's activated abilities is copied and two cards are exiled, they both return when Helvault is put into a graveyard from the battlefield.

  • Apr 12, 2024

    If the ability divides damage or distributes counters among a number of targets, the division and number of targets can't be changed. If you choose new targets, you must choose the same number of targets.

  • Apr 12, 2024

    If the ability is modal (that is, if it says, "Choose one —" or similar), the mode is copied and can't be changed.

Reprints & Reprint Risk

Ertha Jo, Frontier Mentor has been reprinted 2 times. The Outlaws of Thunder Junction reprint cut the price 63% in 30 days.

  • Apr 19, 2024OTJ set symbol, UncommonOutlaws of Thunder Junction · foilOTJ #203
  • Apr 19, 2024OTJ set symbol, UncommonOutlaws of Thunder JunctionOTJ #203

Ertha Jo, Frontier Mentor in Commander

Ertha Jo, Frontier Mentor is the #8,424 most-played card on EDHREC, down 171 places over the last 30 days.

#8,424 EDHREC rank
across all Commander decks Down 171 in 30 days

Ertha Jo, Frontier Mentor FAQ

How much is Ertha Jo, Frontier Mentor worth?

Ertha Jo, Frontier Mentor is worth about $0.23 for its cheapest playable printing as of Nov 8, 2026.

Is Ertha Jo, Frontier Mentor legal in Commander?

Yes. Ertha Jo, Frontier Mentor is legal in Commander. It is also legal in Standard, Pioneer, Modern and Legacy.

Has Ertha Jo, Frontier Mentor been reprinted?

Yes. Ertha Jo, Frontier Mentor has been reprinted 2 times, with 2 printings tracked on The Index.

Why is Ertha Jo, Frontier Mentor cheap?

Ertha Jo, Frontier Mentor trades at about $0.23; 2 reprints keep supply plentiful, and Commander demand is modest (#8,424 on EDHREC).