Ertha Jo, Frontier Mentor
$0.06
$0.06Legendary Creature — Kor Advisor
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
Popularity
Meta Pick
Very popular, most players know the strategy.
Ranking
#1621
Current Rank
#1863
Last Week
#1559
Last Month
Links & Decks
Combos
Debut Set
Decks on Moxfield
Decks on Archidekt
Scryfall
CardmarketNew Cards
Fresh cards from recent sets that players are experimenting with in Ertha Jo, Frontier Mentor decks.
Friendly Neighborhood+8% Synergy
$0.20
Bagel and Schmear+8% Synergy
$0.06
Pumpkin Bombs+6% Synergy
$1.28
Peter Parker's Camera+1% Synergy
$1.14
Daily Bugle Building+1% Synergy
$0.19
High Synergy Cards
Cards that work exceptionally well with Ertha Jo, Frontier Mentor's abilities and overall game plan.
Humble Defector+72% Synergy
$0.12
Soulbright Flamekin+63% Synergy
$0.10
Yes Man, Personal Securitron+56% Synergy
$0.27
Brash Taunter+56% Synergy
$0.69
Jaxis, the Troublemaker+52% Synergy
$0.92
Loran of the Third Path+49% Synergy
$2.33
Realmbreaker, the Invasion Tree+48% Synergy
$0.40
Captivating Crew+47% Synergy
$0.23
Mishra's Bauble+46% Synergy
$1.84
Angelic Sell-Sword+46% Synergy
$0.23
Top Cards
The most popular and reliable cards that form the backbone of successful Ertha Jo, Frontier Mentor decks.
Form a Posse+45% Synergy
$0.09
Chaos Wand+45% Synergy
$0.26
Orthion, Hero of Lavabrink+44% Synergy
$3.61
Intrepid Hero+44% Synergy
$1.00
Spikeshot Goblin+44% Synergy
$0.05
Zirda, the Dawnwaker+43% Synergy
$0.99
The Jolly Balloon Man+42% Synergy
$0.51
Mother of Runes+39% Synergy
$10.13
Path to Exile-7% Synergy
$1.14
Swords to Plowshares-10% Synergy
$1.35
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Jeska's Will-2% Synergy
$28.30
Smothering Tithe-8% Synergy
$36.21
Teferi's Protection-8% Synergy
$49.47
Enlightened Tutor-11% Synergy
$32.44
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Hellspur Posse Boss+39% Synergy
$0.23
Drumbellower+36% Synergy
$10.67
Brigid, Hero of Kinsbaile+34% Synergy
$1.34
Marvin, Murderous Mimic+33% Synergy
$2.50
Bounty Agent+33% Synergy
$0.31
Furystoke Giant+31% Synergy
$2.99
Chandra, Fire of Kaladesh+30% Synergy
$1.38
Giver of Runes+28% Synergy
$7.82
Magda, the Hoardmaster+28% Synergy
$0.50
Adarkar Valkyrie+28% Synergy
$1.04
Spikeshot Elder+28% Synergy
$0.24
Kiki-Jiki, Mirror Breaker+26% Synergy
$10.73
Agrus Kos, Eternal Soldier+26% Synergy
$0.49
Skrelv, Defector Mite+25% Synergy
$1.54
Taii Wakeen, Perfect Shot+25% Synergy
$0.11
Brion Stoutarm+25% Synergy
$0.52
Strago and Relm+24% Synergy
$0.14
Auriok Bladewarden+24% Synergy
$0.11
Cathar Commando+20% Synergy
$0.11
Survey Mechan+19% Synergy
$0.04
Gilraen, Dúnedain Protector+18% Synergy
$0.34
Whiskervale Forerunner+17% Synergy
$0.20
Kamahl, Pit Fighter+17% Synergy
$0.15
The Warring Triad+17% Synergy
$0.50
Bloodlust Inciter+17% Synergy
$0.08
Goblin Sharpshooter+16% Synergy
$23.66
Giant Killer+15% Synergy
$0.22
Prickly Pair+15% Synergy
$0.05
Voldaren Thrillseeker+15% Synergy
$0.15
Cunning Sparkmage+14% Synergy
$0.34
Stun Sniper+14% Synergy
$0.18
Vulshok Sorcerer+14% Synergy
$0.23
Zookeeper Mechan+13% Synergy
$0.06
Prodigal Pyromancer+13% Synergy
$0.17
Goblin Fireslinger+13% Synergy
$0.10
Endbringer+13% Synergy
$0.30
Jaya Ballard, Task Mage+12% Synergy
$0.13
Cinder Pyromancer+12% Synergy
$0.43
Chandra's Magmutt+12% Synergy
$0.03
Welcoming Vampire+10% Synergy
$0.66
Mangara, the Diplomat+10% Synergy
$0.53
Heartfire Hero+10% Synergy
$0.20
Village Bell-Ringer+8% Synergy
$0.21
Claim Jumper+8% Synergy
$0.73
Witch Enchanter+7% Synergy
$3.88
Delney, Streetwise Lookout+7% Synergy
$32.26
Knight of the White Orchid+2% Synergy
$1.65
Sun Titan+1% Synergy
$0.29
Solemn Simulacrum-7% Synergy
$0.26
Esper Sentinel-13% Synergy
$40.50
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+24% Synergy
$0.24
Lightning Volley+14% Synergy
$0.14
Bovine Intervention+11% Synergy
$0.08
Rustler Rampage+10% Synergy
$0.11
Take the Bait+9% Synergy
$0.45
Legion Leadership+8% Synergy
$0.51
Return the Favor+8% Synergy
$1.53
Semester's End+8% Synergy
$0.76
Dead Before Sunrise+7% Synergy
$0.12
Big Score+6% Synergy
$0.69
Demand Answers+6% Synergy
$0.28
Stroke of Midnight+3% Synergy
$0.33
Your Temple Is Under Attack+3% Synergy
$0.20
Chaos Warp+2% Synergy
$0.49
Thrill of Possibility+2% Synergy
$0.11
Razorgrass Ambush+2% Synergy
$0.29
Clever Concealment+1% Synergy
$6.80
Ephemerate+1% Synergy
$3.96
Sejiri Shelter-1% Synergy
$1.72
Valakut Awakening-1% Synergy
$11.41
Unexpected Windfall-1% Synergy
$1.26
Dawn's Truce-3% Synergy
$6.78
Generous Gift-4% Synergy
$0.68
Abrade-4% Synergy
$0.11
Wear // Tear-8% Synergy
$0.97
Deflecting Swat-9% Synergy
$52.72
Flawless Maneuver-13% Synergy
$17.72
Boros Charm-15% Synergy
$5.32
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Cut a Deal+12% Synergy
$0.25
Flame Fusillade+10% Synergy
$3.71
Blasphemous Act+5% Synergy
$1.83
Austere Command+5% Synergy
$0.20
Sevinne's Reclamation+5% Synergy
$0.42
Farewell+5% Synergy
$3.27
Requisition Raid+4% Synergy
$0.42
Ascend from Avernus+4% Synergy
$1.24
Starfall Invocation+4% Synergy
$0.57
Sundering Eruption+3% Synergy
$0.95
Promise of Loyalty+3% Synergy
$0.12
Secret Rendezvous+2% Synergy
$0.26
Faithless Looting-5% Synergy
$0.24
Vandalblast-8% Synergy
$4.78
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Thousand-Year Elixir+40% Synergy
$12.72
Magewright's Stone+28% Synergy
$6.98
Basilica Skullbomb+23% Synergy
$0.03
Urza's Bauble+20% Synergy
$3.38
Stone of Erech+20% Synergy
$0.16
Hylda's Crown of Winter+20% Synergy
$0.29
Agatha's Soul Cauldron+19% Synergy
$21.93
Collector's Cage+17% Synergy
$1.06
Haystack+15% Synergy
$1.94
Mindslaver+13% Synergy
$3.27
Rings of Brighthearth+12% Synergy
$4.96
Lithoform Engine+12% Synergy
$6.46
Wayfarer's Bauble+11% Synergy
$0.21
The Fire Crystal+11% Synergy
$4.67
Transmogrifying Wand+10% Synergy
$0.32
Illusionist's Bracers+9% Synergy
$4.13
Halo Fountain+9% Synergy
$4.87
Boom Box+9% Synergy
$0.05
Argent Dais+8% Synergy
$0.10
The Dominion Bracelet+8% Synergy
$0.45
The Chain Veil+7% Synergy
$4.25
Battlemage's Bracers+6% Synergy
$3.06
Expert-Level Safe+6% Synergy
$0.06
Perilous Snare+5% Synergy
$0.26
Lavaspur Boots+4% Synergy
$0.81
Staff of Domination+3% Synergy
$4.90
Archaeomancer's Map0% Synergy
$2.68
Basilisk Collar-5% Synergy
$5.14
Skullclamp-6% Synergy
$3.62
Lightning Greaves-12% Synergy
$4.07
Swiftfoot Boots-14% Synergy
$1.05
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+33% Synergy
$0.11
We Ride at Dawn+23% Synergy
$0.18
Lassoed by the Law+20% Synergy
$0.05
Dazzling Theater // Prop Room+19% Synergy
$0.48
Fable of the Mirror-Breaker+19% Synergy
$6.68
Seal of Cleansing+13% Synergy
$0.09
Kyren Negotiations+13% Synergy
$0.74
Soul Snare+12% Synergy
$0.10
Footfall Crater+12% Synergy
$0.19
Oath of Gideon+10% Synergy
$0.27
High Noon+8% Synergy
$0.82
Rowan's Talent+8% Synergy
$0.23
Captive Flame+8% Synergy
$0.15
Rising of the Day+7% Synergy
$0.41
Touch the Spirit Realm+7% Synergy
$0.41
Burning Anger+7% Synergy
$0.08
Smuggler's Share+4% Synergy
$2.98
Trouble in Pairs+3% Synergy
$24.47
City on Fire+2% Synergy
$8.14
Fiery Emancipation+2% Synergy
$10.79
Tocasia's Welcome0% Synergy
$1.62
Goblin Bombardment0% Synergy
$3.14
Land Tax-5% Synergy
$21.96
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Teyo, Geometric Tactician+34% Synergy
$5.72
Chandra, Dressed to Kill+33% Synergy
$1.11
Chandra, Bold Pyromancer+28% Synergy
$3.64
Elspeth Resplendent+26% Synergy
$4.48
The Eternal Wanderer+22% Synergy
$0.88
The Wandering Emperor+20% Synergy
$3.44
Jeska, Thrice Reborn+17% Synergy
$5.63
Ajani, Caller of the Pride+17% Synergy
$0.72
Ajani Steadfast+17% Synergy
$1.52
Ajani Vengeant+16% Synergy
$1.71
Basri Ket+14% Synergy
$0.77
The Wanderer+14% Synergy
$0.24
Elspeth, Knight-Errant+14% Synergy
$7.09
Chandra, Torch of Defiance+13% Synergy
$3.92
Ajani, Adversary of Tyrants+13% Synergy
$1.12
Chandra, Flameshaper+13% Synergy
$1.24
Gideon Blackblade+11% Synergy
$1.01
Chandra, Flame's Fury+10% Synergy
$1.23
Nahiri, the Harbinger+9% Synergy
$0.50
Karn Liberated+9% Synergy
$3.12
Gideon of the Trials+8% Synergy
$1.09
Rowan Kenrith+8% Synergy
$0.63
Ajani, Inspiring Leader+8% Synergy
$7.29
Jaya, Venerated Firemage+7% Synergy
$0.15
Rowan, Fearless Sparkmage+7% Synergy
$0.66
Chandra, Legacy of Fire+7% Synergy
$1.35
Archangel Elspeth+6% Synergy
$2.90
Chandra, Heart of Fire+6% Synergy
$0.18
Elspeth, Storm Slayer0% Synergy
$28.83
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+34% Synergy
$7.54
Slayers' Stronghold+26% Synergy
$0.14
Sunhome, Fortress of the Legion+24% Synergy
$0.16
Eiganjo, Seat of the Empire+16% Synergy
$3.89
Labyrinth of Skophos+15% Synergy
$0.17
Rogue's Passage+13% Synergy
$0.32
Kor Haven+13% Synergy
$12.40
Ominous Cemetery+13% Synergy
$0.13
Access Tunnel+11% Synergy
$0.35
Drannith Ruins+11% Synergy
$0.33
Tyrite Sanctum+8% Synergy
$1.86
Desert+8% Synergy
$0.95
Interplanar Beacon+8% Synergy
$0.22
Karn's Bastion+7% Synergy
$1.61
Arid Archway+6% Synergy
$0.32
Amonkhet Raceway+6% Synergy
$0.23
Mirrorpool+6% Synergy
$1.93
Sandstorm Verge+6% Synergy
$0.09
Flamekin Village+5% Synergy
$1.96
Nesting Grounds+5% Synergy
$0.14
Scavenger Grounds+3% Synergy
$0.39
Hanweir Battlements+3% Synergy
$1.78
War Room+1% Synergy
$3.05
Restless Bivouac+1% Synergy
$0.35
Adagia, Windswept Bastion+1% Synergy
$6.73
Arena of Glory-1% Synergy
$8.09
Monumental Henge-1% Synergy
$0.71
Temple of the False God-3% Synergy
$0.12
Reliquary Tower-8% Synergy
$2.07
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+36% Synergy
$0.50
Boros Signet+12% Synergy
$0.58
Sonic Screwdriver+11% Synergy
$0.53
Talisman of Conviction+10% Synergy
$0.29
Gatewatch Beacon+10% Synergy
$0.23
Mind Stone+9% Synergy
$0.13
Liquimetal Torque+8% Synergy
$2.20
Stonespeaker Crystal+7% Synergy
$0.25
Bandit's Haul+7% Synergy
$0.06
Laser Screwdriver+7% Synergy
$0.47
Aetheric Amplifier+6% Synergy
$2.71
Starnheim Memento+6% Synergy
$0.13
Honor-Worn Shaku+5% Synergy
$0.34
Fellwar Stone+4% Synergy
$1.01
Patriar's Seal+3% Synergy
$3.45
Cursed Mirror+2% Synergy
$1.23
Marble Diamond+2% Synergy
$0.16
Fire Diamond+2% Synergy
$0.23
Arcane Signet+1% Synergy
$0.48
Commander's Sphere-5% Synergy
$0.17
Thought Vessel-5% Synergy
$1.02
Sol Ring-10% Synergy
$1.45
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Abraded Bluffs+11% Synergy
$0.13
Sunscorched Divide+9% Synergy
$0.30
Legion Leadership+8% Synergy
$0.51
Sacred Peaks+7% Synergy
$0.14
Witch Enchanter+7% Synergy
$3.88
Myriad Landscape+6% Synergy
$0.16
Captivating Cave+6% Synergy
$0.08
Boros Garrison+5% Synergy
$0.19
Rugged Prairie+4% Synergy
$0.26
Exotic Orchard+4% Synergy
$0.23
Elegant Parlor+4% Synergy
$9.09
Escape Tunnel+4% Synergy
$0.28
Alpine Meadow+3% Synergy
$0.28
Glittering Massif+3% Synergy
$0.40
Sundering Eruption+3% Synergy
$0.95
Plaza of Heroes+3% Synergy
$6.66
Clifftop Retreat+2% Synergy
$0.26
Inspiring Vantage+2% Synergy
$1.08
Pinnacle Monk+2% Synergy
$1.52
Razorgrass Ambush+2% Synergy
$0.29
Lorehold Campus+2% Synergy
$0.11
Sundown Pass+1% Synergy
$5.12
Fabled Passage+1% Synergy
$4.90
Mountain0% Synergy
$0.06
Plains0% Synergy
$0.05
Spectator Seating0% Synergy
$13.05
Temple of Triumph0% Synergy
$0.17
Prismatic Vista0% Synergy
$30.97
Battlefield Forge-1% Synergy
$0.25
Sunbillow Verge-1% Synergy
$6.57
Evolving Wilds-1% Synergy
$0.12
Terramorphic Expanse-1% Synergy
$0.16
Boros Guildgate-1% Synergy
$0.14
Sejiri Shelter-1% Synergy
$1.72
Valakut Awakening-1% Synergy
$11.41
Arid Mesa-2% Synergy
$22.51
Sunbaked Canyon-2% Synergy
$2.73
Radiant Summit-2% Synergy
$2.99
Plateau-2% Synergy
$326.81
Sacred Foundry-4% Synergy
$6.55
Furycalm Snarl-4% Synergy
$0.12
Needleverge Pathway-4% Synergy
$3.12
Command Tower-6% Synergy
$0.27
Wind-Scarred Crag-6% Synergy
$0.08
Rustvale Bridge-6% Synergy
$0.19
Path of Ancestry-10% Synergy
$0.16
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like Ertha Jo, Frontier Mentor.
Lae'zel, Vlaakith's Champion // Guild Artisan
Lae'zel, Vlaakith's Champion // Passionate Archaeologist
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Mila, Crafty Companion
Lae'zel, Vlaakith's Champion // Inspiring Leader
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Kytheon, Hero of Akros
Leori, Sparktouched Hunter
The Eighth Doctor // Donna Noble
Lae'zel, Vlaakith's Champion // Noble Heritage
Jared Carthalion
Breeches, Brazen Plunderer // Jeska, Thrice Reborn
Chandra, Fire of Kaladesh
Cass, Hand of Vengeance
Théoden, King of Rohan
Agrus Kos, Eternal Soldier
Alena, Kessig Trapper // Krark, the Thumbless
Ganax, Astral Hunter // Far Traveler
Ganax, Astral Hunter // Flaming Fist
Ganax, Astral Hunter // Folk Hero
Ganax, Astral Hunter // Inspiring Leader
Ganax, Astral Hunter // Noble Heritage
Ganax, Astral Hunter // Veteran Soldier
Aurelia, the Law Above
Cadric, Soul Kindler
Commander Mustard
Éomer, King of Rohan
Joshua, Phoenix's Dominant
Raiyuu, Storm's Edge
Alharu, Solemn Ritualist // Bruse Tarl, Boorish Herder
Alharu, Solemn Ritualist // Dargo, the Shipwrecker
Alharu, Solemn Ritualist // Jeska, Thrice Reborn
Alharu, Solemn Ritualist // Kediss, Emberclaw Familiar
Alharu, Solemn Ritualist // Rograkh, Son of Rohgahh
Lae'zel, Vlaakith's Champion // Street Urchin
Anax and Cymede
Baird, Argivian Recruiter
Brion Stoutarm