---
name: "Ertha Jo, Frontier Mentor"
mana_cost: "{2}{R}{W}"
cmc: 4
type_line: "Legendary Creature — Kor Advisor"
colors: ["R", "W"]
color_identity: ["R", "W"]
keywords: []
set: "PLST"
set_name: "The List"
collector_number: "OTJ-203"
rarity: "uncommon"
artist: "Michal Ivan"
oracle_id: "0a66ce8b-af99-411f-8ecb-52a5d2f6af3d"
canonical_url: "https://avascry.com/printing/ertha-jo-frontier-mentor-plst"
legalities:
  commander: "legal"
  standard: "legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Ertha Jo, Frontier Mentor
- **Mana Cost:** `{2}{R}{W}` (CMC: 4)
- **Type:** Legendary Creature — Kor Advisor
- **Power/Toughness:** 2/4

## Oracle Text
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.

## Top 4096-Dim Neural Synergies
1. [Prickly Pair](/printing/prickly-pair-otj.md) — Creature — Plant Mercenary
2. [Ember Island Production](/printing/ember-island-production-tla.md) — Sorcery
3. [Prosperity Tycoon](/printing/prosperity-tycoon-otj.md) — Creature — Human Noble
4. [Frontline Heroism](/printing/frontline-heroism-plst.md) — Enchantment
5. [Akroan Crusader](/printing/akroan-crusader-pio.md) — Creature — Human Soldier
6. [Norin and Feldon](/printing/norin-and-feldon-unk.md) — Legendary Creature — Human Warrior Artificer

## Printing Details
- **Set:** The List (PLST) #OTJ-203
- **Rarity:** Uncommon
- **Artist:** Michal Ivan
- **Total Printings:** 9 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `legal` | Modern: `legal` | Pioneer: `legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`