Ertha Jo, Frontier Mentor
$0.10
$0.10Legendary Creature — Kor Advisor
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
Popularity
Proven Option
Well-established with solid community support.
Ranking
#1631
Current Rank
#1619
Last Week
#1586
Last Month
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.
Soulbright Seeker+8% Synergy
$0.25
Bre of Clan Stoutarm+6% Synergy
$0.29
Adept Watershaper+4% Synergy
$0.46
Ajani, Outland Chaperone+3% Synergy
$3.38
Kirol, Attentive First-Year+1% Synergy
$0.37
High Synergy Cards
Cards that work exceptionally well with Ertha Jo, Frontier Mentor's abilities and overall game plan.
Humble Defector+72% Synergy
$0.16
Soulbright Flamekin+63% Synergy
$0.21
Brash Taunter+56% Synergy
$2.12
Yes Man, Personal Securitron+56% Synergy
$0.63
Jaxis, the Troublemaker+53% Synergy
$1.21
Loran of the Third Path+50% Synergy
$2.72
Realmbreaker, the Invasion Tree+49% Synergy
$0.35
Captivating Crew+47% Synergy
$0.19
Mishra's Bauble+47% Synergy
$1.64
Angelic Sell-Sword+47% Synergy
$0.33
Top Cards
The most popular and reliable cards that form the backbone of successful Ertha Jo, Frontier Mentor decks.
The Jolly Balloon Man+45% Synergy
$0.64
Form a Posse+45% Synergy
$0.07
Intrepid Hero+45% Synergy
$0.91
Orthion, Hero of Lavabrink+44% Synergy
$5.32
Chaos Wand+44% Synergy
$0.27
Zirda, the Dawnwaker+42% Synergy
$1.41
Mother of Runes+40% Synergy
$7.59
Thousand-Year Elixir+40% Synergy
$14.02
Path to Exile-7% Synergy
$0.98
Swords to Plowshares-11% Synergy
$1.25
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Jeska's Will-2% Synergy
$46.44
Smothering Tithe-8% Synergy
$48.00
Teferi's Protection-8% Synergy
$47.39
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Spikeshot Goblin+43% Synergy
$0.08
Hellspur Posse Boss+39% Synergy
$0.13
Drumbellower+35% Synergy
$12.46
Marvin, Murderous Mimic+34% Synergy
$2.18
Bounty Agent+34% Synergy
$0.28
Brigid, Hero of Kinsbaile+34% Synergy
$2.82
Furystoke Giant+31% Synergy
$3.77
Giver of Runes+30% Synergy
$9.47
Chandra, Fire of Kaladesh+30% Synergy
$2.46
Magda, the Hoardmaster+28% Synergy
$0.37
Spikeshot Elder+28% Synergy
$0.25
Kiki-Jiki, Mirror Breaker+27% Synergy
$11.07
Adarkar Valkyrie+27% Synergy
$0.98
Strago and Relm+27% Synergy
$0.16
Agrus Kos, Eternal Soldier+25% Synergy
$0.89
Auriok Bladewarden+25% Synergy
$0.17
Skrelv, Defector Mite+24% Synergy
$2.15
Taii Wakeen, Perfect Shot+24% Synergy
$0.17
Brion Stoutarm+24% Synergy
$0.56
Cathar Commando+21% Synergy
$0.11
The Warring Triad+21% Synergy
$0.70
Survey Mechan+20% Synergy
$0.08
Whiskervale Forerunner+17% Synergy
$0.22
Gilraen, Dúnedain Protector+17% Synergy
$0.47
Goblin Sharpshooter+17% Synergy
$27.45
Zookeeper Mechan+16% Synergy
$0.10
Kamahl, Pit Fighter+16% Synergy
$0.16
Bloodlust Inciter+16% Synergy
$0.07
Prickly Pair+15% Synergy
$0.05
Cunning Sparkmage+14% Synergy
$0.40
Giant Killer+14% Synergy
$0.24
Voldaren Thrillseeker+14% Synergy
$0.19
Vulshok Sorcerer+14% Synergy
$0.20
Stun Sniper+14% Synergy
$0.25
Prodigal Pyromancer+14% Synergy
$0.15
Goblin Fireslinger+13% Synergy
$0.13
Endbringer+13% Synergy
$0.33
Cinder Pyromancer+12% Synergy
$0.39
Jaya Ballard, Task Mage+12% Synergy
$0.19
Chandra's Magmutt+12% Synergy
$0.04
Welcoming Vampire+10% Synergy
$0.62
Mangara, the Diplomat+10% Synergy
$0.43
Heartfire Hero+10% Synergy
$0.27
Village Bell-Ringer+8% Synergy
$0.31
Witch Enchanter+6% Synergy
$3.69
Delney, Streetwise Lookout+6% Synergy
$35.94
Knight of the White Orchid+3% Synergy
$4.31
Sun Titan+1% Synergy
$0.22
Solemn Simulacrum-7% Synergy
$0.22
Esper Sentinel-13% Synergy
$46.75
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+22% Synergy
$0.21
Lightning Volley+15% Synergy
$0.21
Bovine Intervention+10% Synergy
$0.13
Rustler Rampage+10% Synergy
$0.15
Legion Leadership+9% Synergy
$0.54
Take the Bait+9% Synergy
$1.80
Return the Favor+9% Synergy
$2.42
Semester's End+8% Synergy
$1.24
Dead Before Sunrise+7% Synergy
$0.12
Big Score+5% Synergy
$0.90
Demand Answers+5% Synergy
$0.54
Razorgrass Ambush+3% Synergy
$0.33
Your Temple Is Under Attack+3% Synergy
$0.33
Stroke of Midnight+2% Synergy
$0.27
Chaos Warp+1% Synergy
$0.45
Thrill of Possibility+1% Synergy
$0.12
Clever Concealment+1% Synergy
$7.51
Ephemerate+1% Synergy
$4.65
Sejiri Shelter-1% Synergy
$1.44
Unexpected Windfall-1% Synergy
$2.19
Valakut Awakening-1% Synergy
$11.69
Dawn's Truce-3% Synergy
$7.73
Generous Gift-4% Synergy
$0.88
Abrade-5% Synergy
$0.11
Wear // Tear-8% Synergy
$2.76
Deflecting Swat-9% Synergy
$61.89
Flawless Maneuver-12% Synergy
$17.10
Boros Charm-15% Synergy
$4.63
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Cut a Deal+12% Synergy
$0.42
Flame Fusillade+11% Synergy
$4.09
Sevinne's Reclamation+5% Synergy
$0.51
Farewell+5% Synergy
$4.96
Blasphemous Act+4% Synergy
$1.17
Austere Command+4% Synergy
$0.37
Ascend from Avernus+4% Synergy
$1.79
Starfall Invocation+4% Synergy
$1.09
Sundering Eruption+3% Synergy
$1.03
Promise of Loyalty+3% Synergy
$0.16
Requisition Raid+3% Synergy
$0.88
Secret Rendezvous+2% Synergy
$0.32
Faithless Looting-5% Synergy
$0.23
Vandalblast-9% Synergy
$2.27
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Magewright's Stone+28% Synergy
$9.28
Basilica Skullbomb+23% Synergy
$0.03
Bagel and Schmear+22% Synergy
$0.06
Urza's Bauble+21% Synergy
$6.02
Stone of Erech+20% Synergy
$0.25
Hylda's Crown of Winter+20% Synergy
$0.42
Agatha's Soul Cauldron+18% Synergy
$29.41
Collector's Cage+18% Synergy
$1.17
Haystack+15% Synergy
$2.33
Mindslaver+13% Synergy
$4.33
Rings of Brighthearth+12% Synergy
$4.85
Pumpkin Bombs+12% Synergy
$2.27
Lithoform Engine+11% Synergy
$6.26
Transmogrifying Wand+11% Synergy
$0.44
Wayfarer's Bauble+10% Synergy
$0.23
The Fire Crystal+9% Synergy
$3.37
Halo Fountain+9% Synergy
$4.40
The Dominion Bracelet+9% Synergy
$0.53
Argent Dais+9% Synergy
$0.14
Boom Box+9% Synergy
$0.08
Illusionist's Bracers+8% Synergy
$3.54
The Chain Veil+7% Synergy
$5.02
Battlemage's Bracers+6% Synergy
$3.44
Expert-Level Safe+6% Synergy
$0.09
Perilous Snare+5% Synergy
$0.24
Lavaspur Boots+4% Synergy
$0.70
Archaeomancer's Map0% Synergy
$4.71
Basilisk Collar-5% Synergy
$3.43
Skullclamp-6% Synergy
$4.49
Lightning Greaves-12% Synergy
$4.38
Swiftfoot Boots-15% Synergy
$1.52
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+34% Synergy
$0.07
We Ride at Dawn+23% Synergy
$0.23
Fable of the Mirror-Breaker+20% Synergy
$7.19
Lassoed by the Law+19% Synergy
$0.06
Dazzling Theater // Prop Room+18% Synergy
$0.70
Seal of Cleansing+13% Synergy
$0.13
Kyren Negotiations+13% Synergy
$0.85
Friendly Neighborhood+13% Synergy
$0.22
Soul Snare+12% Synergy
$0.08
Footfall Crater+11% Synergy
$0.23
Oath of Gideon+10% Synergy
$0.24
Burning Anger+8% Synergy
$0.11
Captive Flame+8% Synergy
$0.13
Rowan's Talent+8% Synergy
$0.24
Rising of the Day+7% Synergy
$0.87
High Noon+7% Synergy
$2.06
Touch the Spirit Realm+7% Synergy
$0.66
Smuggler's Share+4% Synergy
$8.46
Trouble in Pairs+3% Synergy
$28.37
City on Fire+2% Synergy
$10.43
Fiery Emancipation+1% Synergy
$23.62
Tocasia's Welcome0% Synergy
$1.68
Goblin Bombardment0% Synergy
$2.55
Land Tax-5% Synergy
$24.28
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Chandra, Dressed to Kill+34% Synergy
$1.52
Teyo, Geometric Tactician+33% Synergy
$7.32
Chandra, Bold Pyromancer+28% Synergy
$2.02
Elspeth Resplendent+26% Synergy
$3.44
The Eternal Wanderer+22% Synergy
$1.37
The Wandering Emperor+20% Synergy
$4.10
Jeska, Thrice Reborn+17% Synergy
$6.25
Ajani, Caller of the Pride+17% Synergy
$0.80
Ajani Steadfast+17% Synergy
$1.48
Ajani Vengeant+16% Synergy
$2.05
Basri Ket+14% Synergy
$0.94
The Wanderer+14% Synergy
$0.27
Elspeth, Knight-Errant+14% Synergy
$7.43
Chandra, Torch of Defiance+13% Synergy
$3.14
Ajani, Adversary of Tyrants+12% Synergy
$1.97
Chandra, Flameshaper+12% Synergy
$1.55
Gideon Blackblade+10% Synergy
$1.00
Chandra, Flame's Fury+10% Synergy
$1.31
Nahiri, the Harbinger+8% Synergy
$0.51
Gideon of the Trials+8% Synergy
$1.41
Karn Liberated+8% Synergy
$3.10
Rowan Kenrith+8% Synergy
$0.61
Ajani, Inspiring Leader+8% Synergy
$6.57
Archangel Elspeth+7% Synergy
$2.78
Rowan, Fearless Sparkmage+7% Synergy
$0.59
Jaya, Venerated Firemage+7% Synergy
$0.17
Chandra, Legacy of Fire+7% Synergy
$1.98
Chandra, Heart of Fire+5% Synergy
$0.25
Elspeth, Storm Slayer0% Synergy
$30.51
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+33% Synergy
$7.65
Slayers' Stronghold+28% Synergy
$0.16
Fire Nation Palace+26% Synergy
$2.76
Sunhome, Fortress of the Legion+25% Synergy
$0.19
Eiganjo, Seat of the Empire+17% Synergy
$5.11
Labyrinth of Skophos+15% Synergy
$0.15
Rogue's Passage+13% Synergy
$0.28
Kor Haven+13% Synergy
$14.28
Ominous Cemetery+13% Synergy
$0.15
Access Tunnel+11% Synergy
$0.30
Drannith Ruins+11% Synergy
$0.26
Desert+9% Synergy
$0.73
Tyrite Sanctum+8% Synergy
$3.27
Interplanar Beacon+8% Synergy
$0.18
Arid Archway+7% Synergy
$0.36
Mirrorpool+7% Synergy
$3.11
Karn's Bastion+6% Synergy
$1.45
Amonkhet Raceway+6% Synergy
$0.21
Sandstorm Verge+6% Synergy
$0.15
Flamekin Village+5% Synergy
$0.15
Nesting Grounds+5% Synergy
$0.16
Scavenger Grounds+4% Synergy
$0.57
Hanweir Battlements+3% Synergy
$1.93
Eiganjo Castle+3% Synergy
$13.25
Restless Bivouac+2% Synergy
$0.55
Adagia, Windswept Bastion+1% Synergy
$4.58
War Room0% Synergy
$5.40
Arena of Glory0% Synergy
$10.66
Monumental Henge0% Synergy
$0.49
Temple of the False God-3% Synergy
$0.11
Reliquary Tower-9% Synergy
$3.76
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+36% Synergy
$2.10
Boros Signet+13% Synergy
$0.45
Sonic Screwdriver+11% Synergy
$0.79
Talisman of Conviction+10% Synergy
$0.26
Mind Stone+9% Synergy
$0.23
Gatewatch Beacon+9% Synergy
$0.29
Liquimetal Torque+8% Synergy
$4.31
Bandit's Haul+7% Synergy
$0.14
Laser Screwdriver+7% Synergy
$0.90
Aetheric Amplifier+7% Synergy
$1.66
Stonespeaker Crystal+7% Synergy
$0.45
Starnheim Memento+6% Synergy
$0.13
Honor-Worn Shaku+5% Synergy
$0.44
Fellwar Stone+4% Synergy
$0.75
Patriar's Seal+3% Synergy
$3.87
Cursed Mirror+2% Synergy
$2.05
Marble Diamond+2% Synergy
$0.19
Fire Diamond+2% Synergy
$0.28
Arcane Signet0% Synergy
$0.35
Commander's Sphere-5% Synergy
$0.12
Thought Vessel-5% Synergy
$1.84
Sol Ring-10% Synergy
$1.33
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Abraded Bluffs+11% Synergy
$0.12
Sunscorched Divide+10% Synergy
$0.43
Legion Leadership+9% Synergy
$0.54
Boros Garrison+7% Synergy
$0.19
Sacred Peaks+7% Synergy
$0.07
Witch Enchanter+6% Synergy
$3.69
Captivating Cave+6% Synergy
$0.06
Myriad Landscape+5% Synergy
$0.22
Glittering Massif+5% Synergy
$0.23
Exotic Orchard+4% Synergy
$0.11
Elegant Parlor+4% Synergy
$9.84
Escape Tunnel+4% Synergy
$0.23
Rugged Prairie+3% Synergy
$0.19
Alpine Meadow+3% Synergy
$0.27
Sundering Eruption+3% Synergy
$1.03
Plaza of Heroes+3% Synergy
$6.43
Razorgrass Ambush+3% Synergy
$0.33
Clifftop Retreat+2% Synergy
$0.24
Inspiring Vantage+2% Synergy
$1.04
Pinnacle Monk+2% Synergy
$2.70
Lorehold Campus+2% Synergy
$0.09
Sundown Pass+1% Synergy
$5.42
Fabled Passage+1% Synergy
$5.06
Mountain0% Synergy
$0.13
Plains0% Synergy
$0.14
Battlefield Forge0% Synergy
$0.58
Spectator Seating0% Synergy
$15.25
Temple of Triumph0% Synergy
$0.12
Prismatic Vista0% Synergy
$30.72
Sunbillow Verge-1% Synergy
$10.43
Evolving Wilds-1% Synergy
$0.21
Terramorphic Expanse-1% Synergy
$0.08
Boros Guildgate-1% Synergy
$0.13
Sejiri Shelter-1% Synergy
$1.44
Valakut Awakening-1% Synergy
$11.69
Arid Mesa-2% Synergy
$25.58
Sunbaked Canyon-2% Synergy
$2.63
Radiant Summit-2% Synergy
$1.85
Plateau-2% Synergy
$331.07
Needleverge Pathway-3% Synergy
$3.01
Sacred Foundry-4% Synergy
$8.93
Furycalm Snarl-4% Synergy
$0.16
Command Tower-6% Synergy
$0.23
Wind-Scarred Crag-6% Synergy
$0.03
Rustvale Bridge-6% Synergy
$0.17
Path of Ancestry-10% Synergy
$0.14
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
Lae'zel, Vlaakith's Champion // Popular Entertainer
Lae'zel, Vlaakith's Champion // Dragon Cultist
Lae'zel, Vlaakith's Champion // Tavern Brawler
Mila, Crafty Companion
Lae'zel, Vlaakith's Champion // Inspiring Leader
Lae'zel, Vlaakith's Champion // Veteran Soldier
Chandra, Fire of Kaladesh
Kytheon, Hero of Akros
The Eighth Doctor // Donna Noble
Jared Carthalion
Leori, Sparktouched Hunter
Lae'zel, Vlaakith's Champion // Noble Heritage
Joshua, Phoenix's Dominant
Rem Karolus, Stalwart Slayer
Breeches, Brazen Plunderer // Jeska, Thrice Reborn
Archangel Avacyn
Cass, Hand of Vengeance
Théoden, King of Rohan
Agrus Kos, Eternal Soldier
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
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
Breeches, Brazen Plunderer // Radiant, Serra Archangel
Lae'zel, Vlaakith's Champion // Street Urchin
Anax and Cymede