Ertha Jo, Frontier Mentor
$0.25
$0.25Legendary 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
#1789
Current Rank
#1944
Last Week
#1679
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.
Rapier Wit+5% Synergy
$0.04
The Ooze+3% Synergy
$4.95
Joined Researchers+2% Synergy
$0.35
Erode-3% Synergy
$6.34
Lorehold Charm-8% Synergy
$0.23
High Synergy Cards
Cards that work exceptionally well with Ertha Jo, Frontier Mentor's abilities and overall game plan.
Humble Defector+72% Synergy
$0.21
Soulbright Flamekin+66% Synergy
$0.23
Brash Taunter+56% Synergy
$1.77
Yes Man, Personal Securitron+56% Synergy
$1.28
Jaxis, the Troublemaker+53% Synergy
$1.66
Loran of the Third Path+51% Synergy
$3.69
Angelic Sell-Sword+48% Synergy
$0.37
Realmbreaker, the Invasion Tree+48% Synergy
$0.55
Mishra's Bauble+47% Synergy
$2.05
The Jolly Balloon Man+46% Synergy
$0.57
Top Cards
The most popular and reliable cards that form the backbone of successful Ertha Jo, Frontier Mentor decks.
Captivating Crew+45% Synergy
$0.34
Form a Posse+45% Synergy
$0.18
Intrepid Hero+45% Synergy
$1.06
Orthion, Hero of Lavabrink+44% Synergy
$5.57
Chaos Wand+42% Synergy
$0.37
Zirda, the Dawnwaker+40% Synergy
$1.32
Mother of Runes+39% Synergy
$14.05
Thousand-Year Elixir+39% Synergy
$14.81
Path to Exile-8% Synergy
$0.99
Swords to Plowshares-12% Synergy
$1.01
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Farewell+4% Synergy
$6.50
Jeska's Will-3% Synergy
$41.77
Smothering Tithe-8% Synergy
$57.11
Teferi's Protection-8% Synergy
$55.57
Enlightened Tutor-10% Synergy
$37.16
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Spikeshot Goblin+42% Synergy
$0.23
Hellspur Posse Boss+40% Synergy
$0.18
Marvin, Murderous Mimic+34% Synergy
$2.99
Drumbellower+34% Synergy
$4.45
Bounty Agent+34% Synergy
$0.36
Brigid, Hero of Kinsbaile+33% Synergy
$6.50
Spikeshot Elder+31% Synergy
$0.26
Magda, the Hoardmaster+30% Synergy
$0.48
Furystoke Giant+30% Synergy
$4.61
Giver of Runes+28% Synergy
$9.36
Chandra, Fire of Kaladesh+28% Synergy
$3.12
Strago and Relm+28% Synergy
$0.25
Auriok Bladewarden+27% Synergy
$0.20
Kiki-Jiki, Mirror Breaker+26% Synergy
$14.78
Skrelv, Defector Mite+25% Synergy
$2.74
Agrus Kos, Eternal Soldier+25% Synergy
$1.55
Adarkar Valkyrie+25% Synergy
$1.17
Brion Stoutarm+24% Synergy
$0.71
Taii Wakeen, Perfect Shot+24% Synergy
$0.23
Cathar Commando+22% Synergy
$0.24
The Warring Triad+21% Synergy
$0.79
Survey Mechan+20% Synergy
$0.24
Whiskervale Forerunner+17% Synergy
$0.31
Gilraen, Dúnedain Protector+17% Synergy
$0.41
Goblin Sharpshooter+16% Synergy
$27.76
Soulbright Seeker+16% Synergy
$0.13
Kamahl, Pit Fighter+16% Synergy
$0.16
Zookeeper Mechan+15% Synergy
$0.25
Prickly Pair+15% Synergy
$0.04
Voldaren Thrillseeker+15% Synergy
$0.16
Bre of Clan Stoutarm+14% Synergy
$0.34
Bloodlust Inciter+14% Synergy
$0.14
Stun Sniper+14% Synergy
$0.20
Cunning Sparkmage+14% Synergy
$0.38
Vulshok Sorcerer+13% Synergy
$0.19
Prodigal Pyromancer+13% Synergy
$0.11
Goblin Fireslinger+12% Synergy
$0.21
Giant Killer+12% Synergy
$0.37
Cinder Pyromancer+11% Synergy
$0.33
Endbringer+11% Synergy
$0.35
Welcoming Vampire+10% Synergy
$1.95
Mangara, the Diplomat+10% Synergy
$0.42
Heartfire Hero+10% Synergy
$0.29
Village Bell-Ringer+9% Synergy
$0.32
Witch Enchanter+6% Synergy
$2.89
Delney, Streetwise Lookout+5% Synergy
$36.61
Knight of the White Orchid+3% Synergy
$7.21
Sun Titan+1% Synergy
$0.33
Solemn Simulacrum-6% Synergy
$0.27
Esper Sentinel-14% Synergy
$57.22
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+24% Synergy
$0.31
Lightning Volley+14% Synergy
$0.22
Rustler Rampage+11% Synergy
$0.11
Take the Bait+9% Synergy
$5.28
Return the Favor+9% Synergy
$1.71
Bovine Intervention+9% Synergy
$0.27
Legion Leadership+8% Synergy
$0.39
Semester's End+8% Synergy
$1.10
Dead Before Sunrise+7% Synergy
$0.31
Stroke of Midnight+3% Synergy
$0.33
Big Score+3% Synergy
$0.63
Demand Answers+3% Synergy
$0.46
Razorgrass Ambush+3% Synergy
$0.26
Your Temple Is Under Attack+3% Synergy
$0.37
Clever Concealment+1% Synergy
$7.16
Ephemerate+1% Synergy
$5.30
Chaos Warp0% Synergy
$0.37
Thrill of Possibility0% Synergy
$0.26
Sejiri Shelter0% Synergy
$1.68
Valakut Awakening0% Synergy
$15.03
Unexpected Windfall-2% Synergy
$3.09
Generous Gift-3% Synergy
$1.47
Dawn's Truce-3% Synergy
$7.31
Abrade-5% Synergy
$0.35
Wear // Tear-6% Synergy
$2.70
Deflecting Swat-10% Synergy
$67.64
Flawless Maneuver-12% Synergy
$21.24
Boros Charm-14% Synergy
$3.60
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Cut a Deal+11% Synergy
$0.36
Flame Fusillade+11% Synergy
$3.95
Austere Command+5% Synergy
$0.64
Ascend from Avernus+5% Synergy
$1.95
Sevinne's Reclamation+4% Synergy
$0.35
Promise of Loyalty+4% Synergy
$0.34
Sundering Eruption+3% Synergy
$0.78
Requisition Raid+3% Synergy
$0.90
Starfall Invocation+3% Synergy
$0.60
Blasphemous Act+2% Synergy
$0.64
Secret Rendezvous+1% Synergy
$0.30
Faithless Looting-7% Synergy
$0.26
Vandalblast-8% Synergy
$2.38
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Magewright's Stone+28% Synergy
$7.77
Basilica Skullbomb+22% Synergy
$0.11
Urza's Bauble+22% Synergy
$7.05
Stone of Erech+21% Synergy
$0.30
Bagel and Schmear+20% Synergy
$0.15
Hylda's Crown of Winter+20% Synergy
$0.51
Collector's Cage+20% Synergy
$0.80
Haystack+16% Synergy
$0.37
Agatha's Soul Cauldron+16% Synergy
$35.44
Pumpkin Bombs+13% Synergy
$1.62
Rings of Brighthearth+12% Synergy
$5.62
Mindslaver+12% Synergy
$5.55
Transmogrifying Wand+12% Synergy
$0.43
Wayfarer's Bauble+11% Synergy
$0.30
Lithoform Engine+11% Synergy
$7.32
The Fire Crystal+10% Synergy
$6.23
Halo Fountain+10% Synergy
$6.84
Boom Box+10% Synergy
$0.16
Illusionist's Bracers+9% Synergy
$4.89
Argent Dais+9% Synergy
$0.15
Battlemage's Bracers+7% Synergy
$3.60
The Dominion Bracelet+7% Synergy
$0.53
The Chain Veil+7% Synergy
$5.50
Expert-Level Safe+6% Synergy
$0.24
Perilous Snare+5% Synergy
$0.23
Lavaspur Boots+3% Synergy
$0.89
Staff of Domination+3% Synergy
$11.62
Archaeomancer's Map-2% Synergy
$1.43
Skullclamp-4% Synergy
$5.69
Basilisk Collar-5% Synergy
$3.73
Lightning Greaves-12% Synergy
$3.70
Swiftfoot Boots-15% Synergy
$1.85
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+35% Synergy
$0.19
We Ride at Dawn+23% Synergy
$0.38
Lassoed by the Law+20% Synergy
$0.05
Dazzling Theater // Prop Room+19% Synergy
$0.72
Fable of the Mirror-Breaker+18% Synergy
$7.95
Seal of Cleansing+13% Synergy
$0.22
Soul Snare+13% Synergy
$0.18
Kyren Negotiations+13% Synergy
$0.96
Friendly Neighborhood+12% Synergy
$0.16
Oath of Gideon+10% Synergy
$0.21
Footfall Crater+10% Synergy
$0.33
Burning Anger+9% Synergy
$0.28
Captive Flame+9% Synergy
$0.13
High Noon+8% Synergy
$3.41
Touch the Spirit Realm+7% Synergy
$0.68
Rowan's Talent+7% Synergy
$0.27
Rising of the Day+6% Synergy
$0.48
Smuggler's Share+3% Synergy
$8.79
Trouble in Pairs+2% Synergy
$30.42
City on Fire+2% Synergy
$11.53
Fiery Emancipation+1% Synergy
$16.84
Goblin Bombardment0% Synergy
$3.80
Tocasia's Welcome-1% Synergy
$0.77
Land Tax-6% Synergy
$16.22
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Chandra, Dressed to Kill+36% Synergy
$1.44
Teyo, Geometric Tactician+32% Synergy
$8.92
Chandra, Bold Pyromancer+30% Synergy
$2.17
Elspeth Resplendent+25% Synergy
$4.48
The Eternal Wanderer+22% Synergy
$1.33
The Wandering Emperor+21% Synergy
$4.46
Ajani, Caller of the Pride+17% Synergy
$0.56
Jeska, Thrice Reborn+17% Synergy
$5.90
Ajani Steadfast+17% Synergy
$1.58
Ajani Vengeant+16% Synergy
$2.21
The Wanderer+15% Synergy
$0.33
Elspeth, Knight-Errant+14% Synergy
$7.77
Basri Ket+14% Synergy
$1.42
Chandra, Torch of Defiance+13% Synergy
$3.05
Chandra, Flameshaper+13% Synergy
$0.74
Ajani, Adversary of Tyrants+12% Synergy
$2.20
Gideon Blackblade+11% Synergy
$1.14
Chandra, Flame's Fury+10% Synergy
$1.64
Nahiri, the Harbinger+9% Synergy
$0.44
Rowan Kenrith+8% Synergy
$0.58
Karn Liberated+8% Synergy
$3.23
Ajani, Inspiring Leader+8% Synergy
$7.25
Gideon of the Trials+8% Synergy
$2.45
Archangel Elspeth+7% Synergy
$3.75
Chandra, Legacy of Fire+7% Synergy
$2.47
Rowan, Fearless Sparkmage+7% Synergy
$0.63
Jaya, Venerated Firemage+6% Synergy
$0.27
Chandra, Heart of Fire+5% Synergy
$0.35
Elspeth, Storm Slayer0% Synergy
$39.45
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+32% Synergy
$10.04
Slayers' Stronghold+30% Synergy
$0.31
Sunhome, Fortress of the Legion+26% Synergy
$0.27
Fire Nation Palace+22% Synergy
$1.81
Eiganjo, Seat of the Empire+17% Synergy
$5.48
Labyrinth of Skophos+15% Synergy
$0.30
Kor Haven+15% Synergy
$17.69
Rogue's Passage+14% Synergy
$0.30
Ominous Cemetery+13% Synergy
$0.27
Drannith Ruins+10% Synergy
$0.35
Access Tunnel+9% Synergy
$0.42
Tyrite Sanctum+8% Synergy
$3.26
Interplanar Beacon+8% Synergy
$0.18
Desert+8% Synergy
$1.03
Karn's Bastion+7% Synergy
$1.86
Arid Archway+6% Synergy
$0.44
Amonkhet Raceway+6% Synergy
$0.34
Flamekin Village+6% Synergy
$0.32
Mirrorpool+6% Synergy
$3.24
Nesting Grounds+6% Synergy
$0.28
Sandstorm Verge+6% Synergy
$0.29
Scavenger Grounds+4% Synergy
$0.40
Hanweir Battlements+4% Synergy
$2.12
Homeward Path+4% Synergy
$14.14
Eiganjo Castle+3% Synergy
$12.91
Adagia, Windswept Bastion+2% Synergy
$6.33
War Room+1% Synergy
$2.36
Restless Bivouac+1% Synergy
$0.51
Monumental Henge+1% Synergy
$0.36
Arena of Glory0% Synergy
$10.99
Temple of the False God-2% Synergy
$1.13
Reliquary Tower-8% Synergy
$2.65
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+35% Synergy
$2.15
Boros Signet+13% Synergy
$0.43
Talisman of Conviction+11% Synergy
$0.27
Mind Stone+10% Synergy
$0.33
Liquimetal Torque+10% Synergy
$3.37
Sonic Screwdriver+10% Synergy
$3.79
Gatewatch Beacon+10% Synergy
$0.33
Bandit's Haul+8% Synergy
$0.33
Aetheric Amplifier+7% Synergy
$1.61
Laser Screwdriver+7% Synergy
$1.84
Stonespeaker Crystal+7% Synergy
$0.37
Honor-Worn Shaku+6% Synergy
$0.51
Starnheim Memento+5% Synergy
$0.19
Fellwar Stone+3% Synergy
$0.63
Marble Diamond+3% Synergy
$0.25
Fire Diamond+3% Synergy
$0.34
Patriar's Seal+3% Synergy
$5.10
Cursed Mirror+2% Synergy
$0.44
Arcane Signet0% Synergy
$0.43
Thought Vessel-4% Synergy
$2.89
Commander's Sphere-5% Synergy
$0.34
Sol Ring-10% Synergy
$1.19
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Abraded Bluffs+10% Synergy
$0.25
Boros Garrison+9% Synergy
$0.19
Sunscorched Divide+9% Synergy
$0.34
Legion Leadership+8% Synergy
$0.39
Myriad Landscape+6% Synergy
$0.27
Witch Enchanter+6% Synergy
$2.89
Sacred Peaks+6% Synergy
$0.19
Captivating Cave+6% Synergy
$0.22
Escape Tunnel+5% Synergy
$0.25
Rugged Prairie+4% Synergy
$0.34
Exotic Orchard+3% Synergy
$0.28
Elegant Parlor+3% Synergy
$10.62
Glittering Massif+3% Synergy
$0.34
Alpine Meadow+3% Synergy
$0.33
Sundering Eruption+3% Synergy
$0.78
Razorgrass Ambush+3% Synergy
$0.26
Temple of Triumph+2% Synergy
$0.37
Plaza of Heroes+2% Synergy
$8.36
Clifftop Retreat+1% Synergy
$0.33
Inspiring Vantage+1% Synergy
$1.09
Pinnacle Monk+1% Synergy
$1.21
Mountain0% Synergy
$0.07
Plains0% Synergy
$0.07
Battlefield Forge0% Synergy
$0.34
Spectator Seating0% Synergy
$16.13
Sundown Pass0% Synergy
$1.07
Terramorphic Expanse0% Synergy
$0.21
Boros Guildgate0% Synergy
$0.15
Sejiri Shelter0% Synergy
$1.68
Valakut Awakening0% Synergy
$15.03
Prismatic Vista0% Synergy
$39.63
Sunbillow Verge-1% Synergy
$10.74
Evolving Wilds-1% Synergy
$0.23
Sunbaked Canyon-1% Synergy
$3.58
Fabled Passage-1% Synergy
$1.09
Arid Mesa-3% Synergy
$32.24
Needleverge Pathway-3% Synergy
$3.59
Plateau-3% Synergy
$338.76
Command Tower-4% Synergy
$0.26
Furycalm Snarl-4% Synergy
$0.33
Radiant Summit-4% Synergy
$0.67
Sacred Foundry-5% Synergy
$11.06
Wind-Scarred Crag-6% Synergy
$0.16
Rustvale Bridge-6% Synergy
$0.32
Path of Ancestry-9% Synergy
$0.26
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
Jared Carthalion
Chandra, Fire of Kaladesh
Kytheon, Hero of Akros
The Eighth Doctor // Donna Noble
Joshua, Phoenix's Dominant
Leori, Sparktouched Hunter
Lae'zel, Vlaakith's Champion // Noble Heritage
Rem Karolus, Stalwart Slayer
Archangel Avacyn
Breeches, Brazen Plunderer // Jeska, Thrice Reborn
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