EDH Optimizer
Ertha Jo, Frontier Mentor
Legendary Creature — Kor Advisor · 2RW
Color identity: Red · White · Boros
Ertha Jo, Frontier Mentor is Boros (red and white): its deck can only run cards of those colors plus colorless ones.
Rules 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.
Reference price of the card: €0.20
Average lands in decks for Ertha Jo, Frontier Mentor: 36
Activated AbilitiesPlaneswalkersBurnTokensComboControlVoltronAggro
Build your Ertha Jo, Frontier Mentor deck step by step, with in-depth analysis and AI optimization of your list.
🛠️ Build a deck for Ertha Jo, Frontier Mentor 📥 Analyze my deck🎲 How the average Ertha Jo, Frontier Mentor deck starts over 4,000 games
The list people actually play (the 99 most-included cards, with its average land count), simulated with the EDH Optimizer engine: hands, mulligans, lands, curve and commander. It does not model opponents; it measures whether the plan gets going.
Deck health of the average list: C (51/100)
- Consistency73
- Speed54
- Interaction67
- Resilience85
- Closing15
See the cards of the average deck · 99 cards, 36 lands (24 nonbasic, 6 Plains, 6 Mountain)
Arcane Signet · Humble Defector · Sol Ring · Soulbright Flamekin · Loran of the Third Path · Brash Taunter · Boros Signet · Talisman of Conviction · Yes Man, Personal Securitron · The Jolly Balloon Man · Swords to Plowshares · Jaxis, the Troublemaker · Angelic Sell-Sword · Path to Exile · Mishra's Bauble · Mother of Runes · Realmbreaker, the Invasion Tree · Captivating Crew · Intrepid Hero · Zirda, the Dawnwaker · Chandra, Dressed to Kill · Form a Posse · Thousand-Year Elixir · Spikeshot Goblin · Orthion, Hero of Lavabrink · Chaos Wand · Hellspur Posse Boss · Marvin, Murderous Mimic · Blasphemous Act · Boros Charm · Bounty Agent · Brimstone Roundup · Drumbellower · Giver of Runes · Bounty Board · Chandra, Bold Pyromancer · Mind Stone · Teyo, Geometric Tactician · Brigid, Hero of Kinsbaile · Spikeshot Elder · Magda, the Hoardmaster · Skrelv, Defector Mite · Strago and Relm · Chandra, Fire of Kaladesh // Chandra, Roaring Flame · Chaos Warp · Generous Gift · Kiki-Jiki, Mirror Breaker · Legion Leadership // Legion Stronghold · Magewright's Stone · Auriok Bladewarden · Fellwar Stone · Furystoke Giant · Agrus Kos, Eternal Soldier · Cathar Commando · Elspeth Resplendent · Swiftfoot Boots · The Eternal Wanderer · The Wandering Emperor · Brion Stoutarm · Taii Wakeen, Perfect Shot · Urza's Bauble · The Warring Triad · To Arms! · Command Tower · Clifftop Retreat · Battlefield Forge · Slayers' Stronghold · Rugged Prairie · Boros Garrison · Sacred Foundry · Rogue's Passage · Furycalm Snarl · Sundown Pass · Spectator Seating · Sunhome, Fortress of the Legion · Temple of Triumph · Maze of Ith · Sunscorched Divide · Exotic Orchard · Eiganjo, Seat of the Empire · Arid Mesa · Fire Nation Palace · Myriad Landscape · Needleverge Pathway // Pillarverge Pathway · Sunbillow Verge · Elegant Parlor · Radiant Summit
🃏 Recommended cards for Ertha Jo, Frontier Mentor
The highest-synergy cards in decks for Ertha Jo, Frontier Mentor, with their inclusion rate.
| Card | Inclusion | Synergy |
|---|---|---|
| Humble Defector | 73% | +70% |
| Soulbright Flamekin | 65% | +65% |
| Brash Taunter | 61% | +56% |
| Yes Man, Personal Securitron | 56% | +53% |
| Loran of the Third Path | 63% | +51% |
| Jaxis, the Troublemaker | 51% | +50% |
| The Jolly Balloon Man | 54% | +48% |
| Angelic Sell-Sword | 48% | +47% |
| Realmbreaker, the Invasion Tree | 47% | +47% |
| Mishra's Bauble | 47% | +46% |
| Intrepid Hero | 43% | +43% |
| Captivating Crew | 45% | +43% |
| Chandra, Dressed to Kill | 42% | +42% |
| Form a Posse | 42% | +42% |
| Spikeshot Goblin | 41% | +41% |
| Zirda, the Dawnwaker | 43% | +40% |
| Chaos Wand | 39% | +39% |
| Thousand-Year Elixir | 42% | +39% |
| Orthion, Hero of Lavabrink | 40% | +39% |
| Hellspur Posse Boss | 39% | +38% |
| Mother of Runes | 47% | +35% |
| Marvin, Murderous Mimic | 38% | +34% |
| Brimstone Roundup | 34% | +34% |
| Bounty Agent | 34% | +33% |
💰 The best cards for your Ertha Jo, Frontier Mentor deck, by budget
Three tiers based on the maximum price PER CARD you are willing to pay. Paste your list and hit Optimize: you pick that cap and the AI only suggests swaps that fit under it.
Tier 1 · Budget up to €2/card
The most value for almost nothing. Coming from a precon? Start here.
- Humble Defector
- Soulbright Flamekin
- Brash Taunter
- Jaxis, the Troublemaker
- The Jolly Balloon Man
- Angelic Sell-Sword
Tier 2 · Balanced up to €10/card
The real step up: pieces that are no longer cheap but still sensible.
- Yes Man, Personal Securitron
- Loran of the Third Path
- Orthion, Hero of Lavabrink
- Mother of Runes
- Chandra, Bold Pyromancer
- Maze of Ith
Tier 3 · No cap no cap
The cards your price cap was hiding from you.
- Thousand-Year Elixir
- Teyo, Geometric Tactician
- Agatha's Soul Cauldron
- Goblin Sharpshooter
- Kor Haven
Reference prices (cheapest English printing). They change daily.
♾️ Known combos with Ertha Jo, Frontier Mentor
- Rings of Brighthearth + Basalt Monolith → Infinite colorless mana
- Blasphemous Act + Repercussion → Near-infinite damage to all players
- Kiki-Jiki, Mirror Breaker + Zealous Conscripts → Infinite creature tokens with haste, Infinite death triggers, Infinite creature ETB, Infinite creature LTB, Infinite creature sacrifice triggers
- Combat Celebrant + Kiki-Jiki, Mirror Breaker → Infinite combat phases, Infinite creature tokens with haste, Infinite creature ETB
- Goblin Sharpshooter + Basilisk Collar → Lock, Destroy all creatures opponents control, From now on, destroy any creatures opponents control at instant speed
- Orthion, Hero of Lavabrink + Terror of the Peaks → Near-infinite damage
Other commanders
Frequently asked questions
What is Ertha Jo, Frontier Mentor's color identity?
Ertha Jo, Frontier Mentor is Boros (red and white): its deck can only run cards of those colors plus colorless ones. Color identity comes from every mana symbol on the card, including those in the rules text, not just the casting cost.
What turn does Ertha Jo, Frontier Mentor come down, and how often does the deck get stuck?
In the average Ertha Jo, Frontier Mentor deck (the 99 cards most played with it, with 36 lands), simulated 4,000 times, the commander comes down on turn 3.5 on average and is on the battlefield before turn 7 in 99 % of games. It misses at least one land drop in the first six turns 17 % of the time and floods 15 %. Deck health: C (51/100).
How many lands should a Ertha Jo, Frontier Mentor deck run?
Real Ertha Jo, Frontier Mentor decks run 36 lands on average. That is a starting point, not a rule: a lower curve can shave one or two, big-mana builds want more. The EDH Optimizer simulator tells you, over 10,000 games, how often you get mana screwed or flooded with your exact count.
What are the best cards for Ertha Jo, Frontier Mentor?
The three highest-synergy cards are Humble Defector, Soulbright Flamekin, Brash Taunter. This page lists the top 24 with their real inclusion rate in Ertha Jo, Frontier Mentor decks.
What combos does Ertha Jo, Frontier Mentor have?
Ertha Jo, Frontier Mentor has 6 known combos. The most popular one is Rings of Brighthearth + Basalt Monolith. Note that two-card combos raise your deck's bracket, so it is worth knowing which ones you are running before you sit down.
How much does a Ertha Jo, Frontier Mentor deck cost?
You can start cheap: Humble Defector, Soulbright Flamekin, Brash Taunter are under €2 each. The "Level up" section on this page splits the best cards into three price caps PER CARD (up to €2, up to €10 and no cap), and the optimizer only suggests swaps that fit the cap you pick.