Ertha Jo, Frontier Mentor
$0.27
$0.27Legendary 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
#1803
Current Rank
#2254
Last Week
#1720
Past 2 Years
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.
Practiced Scrollsmith+1% Synergy
$0.21
Erode-1% Synergy
$5.92
Restoration Seminar-4% Synergy
$4.51
Lorehold Charm-7% Synergy
$0.22
Turbulent Steppe-12% Synergy
$4.11
High Synergy Cards
Cards that work exceptionally well with Ertha Jo, Frontier Mentor's abilities and overall game plan.
Humble Defector+71% Synergy
$0.27
Soulbright Flamekin+65% Synergy
$0.24
Brash Taunter+57% Synergy
$2.07
Yes Man, Personal Securitron+55% Synergy
$1.68
Jaxis, the Troublemaker+51% Synergy
$1.35
Loran of the Third Path+49% Synergy
$3.93
Realmbreaker, the Invasion Tree+48% Synergy
$0.66
Angelic Sell-Sword+47% Synergy
$0.51
The Jolly Balloon Man+46% Synergy
$0.77
Mishra's Bauble+46% Synergy
$2.35
Top Cards
The most popular and reliable cards that form the backbone of successful Ertha Jo, Frontier Mentor decks.
Captivating Crew+44% Synergy
$0.38
Intrepid Hero+43% Synergy
$0.83
Form a Posse+43% Synergy
$0.20
Orthion, Hero of Lavabrink+42% Synergy
$5.83
Chaos Wand+40% Synergy
$0.40
Zirda, the Dawnwaker+39% Synergy
$1.51
Thousand-Year Elixir+38% Synergy
$14.85
Mother of Runes+38% Synergy
$13.69
Path to Exile-9% Synergy
$1.23
Swords to Plowshares-11% Synergy
$1.26
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Farewell+2% Synergy
$6.17
Jeska's Will-2% Synergy
$42.79
Teferi's Protection-7% Synergy
$53.21
Smothering Tithe-8% Synergy
$58.09
Enlightened Tutor-9% Synergy
$37.90
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Spikeshot Goblin+40% Synergy
$0.19
Hellspur Posse Boss+39% Synergy
$0.26
Marvin, Murderous Mimic+33% Synergy
$3.29
Bounty Agent+33% Synergy
$0.40
Drumbellower+33% Synergy
$1.87
Brigid, Hero of Kinsbaile+32% Synergy
$6.35
Spikeshot Elder+30% Synergy
$0.27
Magda, the Hoardmaster+30% Synergy
$0.53
Furystoke Giant+29% Synergy
$6.11
Chandra, Fire of Kaladesh+29% Synergy
$3.54
Giver of Runes+28% Synergy
$10.86
Auriok Bladewarden+26% Synergy
$0.18
Strago and Relm+26% Synergy
$0.23
Kiki-Jiki, Mirror Breaker+25% Synergy
$16.69
Agrus Kos, Eternal Soldier+24% Synergy
$1.94
Skrelv, Defector Mite+24% Synergy
$3.84
Taii Wakeen, Perfect Shot+24% Synergy
$0.31
Brion Stoutarm+22% Synergy
$0.70
Adarkar Valkyrie+22% Synergy
$1.41
The Warring Triad+21% Synergy
$0.67
Cathar Commando+21% Synergy
$0.28
Survey Mechan+18% Synergy
$0.27
Soulbright Seeker+18% Synergy
$0.22
Whiskervale Forerunner+17% Synergy
$0.33
Goblin Sharpshooter+16% Synergy
$27.24
Gilraen, Dúnedain Protector+16% Synergy
$0.38
Prickly Pair+15% Synergy
$0.07
Kamahl, Pit Fighter+14% Synergy
$0.20
Bre of Clan Stoutarm+13% Synergy
$0.29
Zookeeper Mechan+13% Synergy
$0.24
Voldaren Thrillseeker+13% Synergy
$0.19
Cunning Sparkmage+13% Synergy
$0.33
Stun Sniper+13% Synergy
$0.17
Vulshok Sorcerer+13% Synergy
$0.17
Bloodlust Inciter+12% Synergy
$0.13
Prodigal Pyromancer+12% Synergy
$0.11
Goblin Fireslinger+11% Synergy
$0.22
Onakke Oathkeeper+10% Synergy
$1.01
Mila, Crafty Companion+10% Synergy
$1.77
Giant Killer+10% Synergy
$0.34
Mangara, the Diplomat+10% Synergy
$0.25
Heartfire Hero+10% Synergy
$0.30
Welcoming Vampire+9% Synergy
$3.00
Village Bell-Ringer+7% Synergy
$0.30
Witch Enchanter+6% Synergy
$3.10
Delney, Streetwise Lookout+4% Synergy
$37.30
Knight of the White Orchid+3% Synergy
$4.55
Sun Titan0% Synergy
$0.33
Solemn Simulacrum-5% Synergy
$0.30
Esper Sentinel-13% Synergy
$60.48
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+23% Synergy
$0.32
Lightning Volley+13% Synergy
$0.25
Rustler Rampage+11% Synergy
$0.22
Take the Bait+10% Synergy
$4.35
Legion Leadership+9% Synergy
$0.42
Return the Favor+8% Synergy
$0.72
Semester's End+8% Synergy
$1.14
Bovine Intervention+8% Synergy
$0.27
Dead Before Sunrise+6% Synergy
$0.20
Stroke of Midnight+3% Synergy
$0.27
Demand Answers+3% Synergy
$0.49
Razorgrass Ambush+3% Synergy
$0.31
Your Temple Is Under Attack+2% Synergy
$0.44
Clever Concealment+2% Synergy
$5.76
Big Score+1% Synergy
$0.53
Ephemerate+0% Synergy
$4.87
Thrill of Possibility+0% Synergy
$0.31
Valakut Awakening+0% Synergy
$16.30
Chaos Warp0% Synergy
$0.35
Sejiri Shelter0% Synergy
$1.97
Generous Gift-1% Synergy
$1.40
Dawn's Truce-2% Synergy
$7.94
Unexpected Windfall-3% Synergy
$3.52
Abrade-4% Synergy
$0.31
Wear // Tear-4% Synergy
$2.44
Deflecting Swat-9% Synergy
$67.16
Flawless Maneuver-11% Synergy
$22.27
Boros Charm-12% Synergy
$4.27
Deflecting Palm-13% Synergy
$3.56
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Flame Fusillade+10% Synergy
$3.55
Cut a Deal+10% Synergy
$0.82
Ascend from Avernus+5% Synergy
$2.25
Austere Command+5% Synergy
$0.42
Promise of Loyalty+3% Synergy
$0.30
Requisition Raid+3% Synergy
$0.41
Starfall Invocation+3% Synergy
$1.24
Blasphemous Act+2% Synergy
$0.87
Sundering Eruption+2% Synergy
$1.00
Sevinne's Reclamation+2% Synergy
$0.32
Secret Rendezvous+0% Synergy
$0.29
Faithless Looting-7% Synergy
$0.25
Vandalblast-8% Synergy
$1.55
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Magewright's Stone+27% Synergy
$7.73
Urza's Bauble+23% Synergy
$5.36
Basilica Skullbomb+21% Synergy
$0.17
Stone of Erech+21% Synergy
$0.30
Hylda's Crown of Winter+20% Synergy
$0.43
Collector's Cage+19% Synergy
$2.32
Bagel and Schmear+17% Synergy
$0.13
Haystack+16% Synergy
$0.31
Agatha's Soul Cauldron+16% Synergy
$38.09
Pumpkin Bombs+13% Synergy
$1.74
Transmogrifying Wand+12% Synergy
$0.42
Rings of Brighthearth+11% Synergy
$6.04
Mindslaver+10% Synergy
$5.46
Wayfarer's Bauble+10% Synergy
$0.30
The Fire Crystal+10% Synergy
$6.50
Lithoform Engine+9% Synergy
$7.23
Argent Dais+9% Synergy
$0.20
Illusionist's Bracers+9% Synergy
$5.10
Halo Fountain+9% Synergy
$7.82
Boom Box+9% Synergy
$0.17
The Chain Veil+7% Synergy
$5.27
Battlemage's Bracers+7% Synergy
$3.69
The Dominion Bracelet+6% Synergy
$0.46
Expert-Level Safe+5% Synergy
$0.22
Perilous Snare+5% Synergy
$0.26
Archaeomancer's Map-2% Synergy
$1.26
Skullclamp-3% Synergy
$6.27
Basilisk Collar-4% Synergy
$3.80
Lightning Greaves-11% Synergy
$4.39
Swiftfoot Boots-15% Synergy
$1.91
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+35% Synergy
$0.21
We Ride at Dawn+22% Synergy
$0.40
Lassoed by the Law+18% Synergy
$0.07
Dazzling Theater // Prop Room+18% Synergy
$0.73
Fable of the Mirror-Breaker+17% Synergy
$6.63
Soul Snare+14% Synergy
$0.25
Seal of Cleansing+13% Synergy
$0.32
Kyren Negotiations+11% Synergy
$1.06
Friendly Neighborhood+11% Synergy
$0.30
Oath of Gideon+10% Synergy
$0.25
Footfall Crater+9% Synergy
$0.31
Burning Anger+9% Synergy
$0.28
Captive Flame+8% Synergy
$0.15
Rowan's Talent+7% Synergy
$0.31
High Noon+7% Synergy
$5.18
Rising of the Day+6% Synergy
$0.79
Touch the Spirit Realm+5% Synergy
$0.83
Smuggler's Share+3% Synergy
$9.08
Trouble in Pairs+2% Synergy
$28.18
City on Fire+1% Synergy
$12.00
Fiery Emancipation+1% Synergy
$17.18
Goblin Bombardment0% Synergy
$3.30
Tocasia's Welcome-1% Synergy
$0.61
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Chandra, Dressed to Kill+39% Synergy
$1.47
Teyo, Geometric Tactician+32% Synergy
$9.94
Chandra, Bold Pyromancer+31% Synergy
$2.86
Elspeth Resplendent+26% Synergy
$4.57
The Wandering Emperor+24% Synergy
$4.33
The Eternal Wanderer+23% Synergy
$1.44
Ajani Steadfast+19% Synergy
$2.19
Ajani, Caller of the Pride+19% Synergy
$0.56
Ajani Vengeant+16% Synergy
$3.70
Jeska, Thrice Reborn+16% Synergy
$6.39
The Wanderer+15% Synergy
$0.38
Elspeth, Knight-Errant+14% Synergy
$8.52
Chandra, Torch of Defiance+14% Synergy
$2.94
Basri Ket+14% Synergy
$1.45
Ajani, Adversary of Tyrants+13% Synergy
$3.24
Chandra, Flameshaper+12% Synergy
$0.64
Gideon Blackblade+10% Synergy
$1.13
Chandra, Flame's Fury+10% Synergy
$1.63
Nahiri, the Harbinger+9% Synergy
$0.48
Ajani, Inspiring Leader+8% Synergy
$7.68
Karn Liberated+8% Synergy
$3.23
Archangel Elspeth+8% Synergy
$4.50
Rowan Kenrith+7% Synergy
$0.58
Chandra, Legacy of Fire+7% Synergy
$2.59
Gideon of the Trials+7% Synergy
$1.98
Rowan, Fearless Sparkmage+7% Synergy
$0.67
Chandra, Heart of Fire+5% Synergy
$0.31
Jaya, Venerated Firemage+5% Synergy
$0.26
Chandra, Hope's Beacon+3% Synergy
$2.12
Elspeth, Storm Slayer0% Synergy
$39.83
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+31% Synergy
$11.00
Slayers' Stronghold+31% Synergy
$0.33
Sunhome, Fortress of the Legion+26% Synergy
$0.37
Fire Nation Palace+23% Synergy
$1.58
Eiganjo, Seat of the Empire+17% Synergy
$5.84
Labyrinth of Skophos+14% Synergy
$0.29
Kor Haven+14% Synergy
$18.86
Rogue's Passage+14% Synergy
$0.36
Ominous Cemetery+12% Synergy
$0.34
Drannith Ruins+10% Synergy
$0.40
Interplanar Beacon+9% Synergy
$0.17
Tyrite Sanctum+8% Synergy
$2.98
Karn's Bastion+8% Synergy
$1.99
Access Tunnel+8% Synergy
$0.37
Desert+7% Synergy
$1.17
Nesting Grounds+7% Synergy
$0.35
Amonkhet Raceway+6% Synergy
$0.36
Sandstorm Verge+5% Synergy
$0.30
Arid Archway+5% Synergy
$0.53
Flamekin Village+5% Synergy
$0.30
Mirrorpool+5% Synergy
$3.44
Homeward Path+4% Synergy
$15.73
Hanweir Battlements+3% Synergy
$1.94
Scavenger Grounds+3% Synergy
$0.33
Adagia, Windswept Bastion+2% Synergy
$5.53
War Room+1% Synergy
$2.41
Restless Bivouac+1% Synergy
$0.53
Monumental Henge+0% Synergy
$0.37
Arena of Glory0% Synergy
$7.49
Temple of the False God-2% Synergy
$0.33
Reliquary Tower-6% Synergy
$2.99
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+34% Synergy
$2.18
Boros Signet+13% Synergy
$0.37
Talisman of Conviction+11% Synergy
$0.30
Gatewatch Beacon+10% Synergy
$0.40
Liquimetal Torque+9% Synergy
$3.39
Mind Stone+9% Synergy
$0.19
Sonic Screwdriver+8% Synergy
$3.38
Aetheric Amplifier+8% Synergy
$0.62
Bandit's Haul+7% Synergy
$0.28
Laser Screwdriver+6% Synergy
$1.57
Honor-Worn Shaku+6% Synergy
$0.40
Stonespeaker Crystal+6% Synergy
$0.43
Starnheim Memento+5% Synergy
$0.21
Patriar's Seal+3% Synergy
$5.47
Fellwar Stone+2% Synergy
$2.20
Marble Diamond+2% Synergy
$0.34
Fire Diamond+2% Synergy
$0.39
Cursed Mirror+1% Synergy
$0.41
Arcane Signet0% Synergy
$1.10
Thought Vessel-2% Synergy
$2.50
Commander's Sphere-3% Synergy
$0.33
Sol Ring-11% Synergy
$3.30
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Boros Garrison+10% Synergy
$0.21
Sunscorched Divide+9% Synergy
$0.28
Legion Leadership+9% Synergy
$0.42
Abraded Bluffs+8% Synergy
$0.31
Myriad Landscape+6% Synergy
$0.30
Witch Enchanter+6% Synergy
$3.10
Captivating Cave+5% Synergy
$0.22
Sacred Peaks+5% Synergy
$0.26
Escape Tunnel+4% Synergy
$0.25
Rugged Prairie+4% Synergy
$0.24
Razorgrass Ambush+3% Synergy
$0.31
Alpine Meadow+3% Synergy
$0.37
Elegant Parlor+2% Synergy
$10.80
Sundering Eruption+2% Synergy
$1.00
Temple of Triumph+2% Synergy
$0.24
Exotic Orchard+1% Synergy
$0.82
Plaza of Heroes+1% Synergy
$8.41
Inspiring Vantage+1% Synergy
$1.27
Glittering Massif+1% Synergy
$0.55
Battlefield Forge+0% Synergy
$0.29
Clifftop Retreat+0% Synergy
$0.32
Sundown Pass+0% Synergy
$2.09
Mountain+0% Synergy
$2.00
Prismatic Vista+0% Synergy
$37.92
Spectator Seating+0% Synergy
$16.56
Valakut Awakening+0% Synergy
$16.30
Plains0% Synergy
$2.00
Pinnacle Monk0% Synergy
$1.31
Sejiri Shelter0% Synergy
$1.97
Boros Guildgate0% Synergy
$0.10
Evolving Wilds0% Synergy
$0.12
Sunbaked Canyon0% Synergy
$4.32
Sunbillow Verge-1% Synergy
$10.78
Terramorphic Expanse-1% Synergy
$0.16
Arid Mesa-1% Synergy
$32.91
Needleverge Pathway-2% Synergy
$4.75
Fabled Passage-2% Synergy
$3.30
Plateau-3% Synergy
$356.24
Radiant Summit-3% Synergy
$0.88
Furycalm Snarl-3% Synergy
$0.23
Command Tower-4% Synergy
$0.21
Sacred Foundry-4% Synergy
$10.08
Wind-Scarred Crag-5% Synergy
$0.16
Rustvale Bridge-6% Synergy
$0.29
Path of Ancestry-9% Synergy
$0.28
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like Ertha Jo, Frontier Mentor.
Lae'zel, Vlaakith's Champion // Dragon Cultist
Lae'zel, Vlaakith's Champion // Tavern Brawler
Lae'zel, Vlaakith's Champion // Guild Artisan
Lae'zel, Vlaakith's Champion // Passionate Archaeologist
Lae'zel, Vlaakith's Champion // Popular Entertainer
Tazri, Stalwart Survivor
Mila, Crafty Companion
Cass, Hand of Vengeance
Théoden, King of Rohan
Lae'zel, Vlaakith's Champion // Noble Heritage
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
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
Breeches, Brazen Plunderer // Radiant, Serra Archangel
Lae'zel, Vlaakith's Champion // Street Urchin
Anax and Cymede
Baird, Argivian Recruiter
Brion Stoutarm
Plargg, Dean of Chaos
Queen Kayla bin-Kroog
Razia, Boros Archangel
Rem Karolus, Stalwart Slayer
Bayek of Siwa
Bruse Tarl, Roving Rancher
Commander Liara Portyr