Ertha Jo, Frontier Mentor
$0.23
$0.23Legendary 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
#1805
Current Rank
#1985
Last Week
#1600
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+15% Synergy
$0.21
Bre of Clan Stoutarm+10% Synergy
$0.39
Kirol, Attentive First-Year+5% Synergy
$0.40
Arcade Cabinet+4% Synergy
$0.59
Casey Jones, Back Alley Brute+4% 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
$0.20
Soulbright Flamekin+63% Synergy
$0.21
Brash Taunter+56% Synergy
$1.80
Yes Man, Personal Securitron+56% Synergy
$0.80
Jaxis, the Troublemaker+53% Synergy
$1.42
Loran of the Third Path+51% Synergy
$3.72
Realmbreaker, the Invasion Tree+49% Synergy
$0.52
Angelic Sell-Sword+47% Synergy
$0.39
Mishra's Bauble+47% Synergy
$1.83
Captivating Crew+46% Synergy
$0.34
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
$0.84
Form a Posse+45% Synergy
$0.16
Intrepid Hero+45% Synergy
$1.07
Orthion, Hero of Lavabrink+44% Synergy
$5.69
Chaos Wand+44% Synergy
$0.38
Zirda, the Dawnwaker+42% Synergy
$1.39
Mother of Runes+40% Synergy
$12.74
Thousand-Year Elixir+39% Synergy
$15.09
Path to Exile-7% Synergy
$1.28
Swords to Plowshares-11% Synergy
$1.36
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Farewell+5% Synergy
$7.48
Jeska's Will-2% Synergy
$44.48
Smothering Tithe-8% Synergy
$50.05
Teferi's Protection-8% Synergy
$51.57
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Spikeshot Goblin+43% Synergy
$0.15
Hellspur Posse Boss+39% Synergy
$0.18
Drumbellower+35% Synergy
$11.53
Bounty Agent+35% Synergy
$0.33
Marvin, Murderous Mimic+34% Synergy
$2.66
Brigid, Hero of Kinsbaile+34% Synergy
$6.19
Giver of Runes+30% Synergy
$9.44
Furystoke Giant+30% Synergy
$4.31
Magda, the Hoardmaster+28% Synergy
$0.43
Chandra, Fire of Kaladesh+28% Synergy
$2.89
Spikeshot Elder+28% Synergy
$0.25
Strago and Relm+28% Synergy
$0.21
Kiki-Jiki, Mirror Breaker+27% Synergy
$13.84
Adarkar Valkyrie+27% Synergy
$1.05
Agrus Kos, Eternal Soldier+25% Synergy
$1.09
Skrelv, Defector Mite+24% Synergy
$2.11
Taii Wakeen, Perfect Shot+24% Synergy
$0.20
Auriok Bladewarden+24% Synergy
$0.16
Brion Stoutarm+23% Synergy
$0.66
Cathar Commando+21% Synergy
$0.17
The Warring Triad+21% Synergy
$0.80
Survey Mechan+20% Synergy
$0.19
Whiskervale Forerunner+17% Synergy
$0.17
Gilraen, Dúnedain Protector+17% Synergy
$0.59
Goblin Sharpshooter+17% Synergy
$27.85
Kamahl, Pit Fighter+16% Synergy
$0.16
Bloodlust Inciter+16% Synergy
$0.13
Zookeeper Mechan+15% Synergy
$0.19
Prickly Pair+15% Synergy
$0.03
Voldaren Thrillseeker+14% Synergy
$0.18
Cunning Sparkmage+14% Synergy
$0.33
Vulshok Sorcerer+14% Synergy
$0.21
Stun Sniper+14% Synergy
$0.29
Giant Killer+14% Synergy
$0.31
Prodigal Pyromancer+14% Synergy
$0.14
Goblin Fireslinger+13% Synergy
$0.20
Cinder Pyromancer+12% Synergy
$0.33
Endbringer+12% Synergy
$0.37
Jaya Ballard, Task Mage+12% Synergy
$0.22
Chandra's Magmutt+11% Synergy
$0.12
Welcoming Vampire+10% Synergy
$1.23
Mangara, the Diplomat+10% Synergy
$0.44
Heartfire Hero+9% Synergy
$0.28
Village Bell-Ringer+9% Synergy
$0.35
Witch Enchanter+7% Synergy
$3.17
Delney, Streetwise Lookout+6% Synergy
$37.24
Knight of the White Orchid+3% Synergy
$4.80
Sun Titan+1% Synergy
$0.34
Solemn Simulacrum-6% Synergy
$0.26
Esper Sentinel-13% Synergy
$53.97
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+23% Synergy
$0.35
Lightning Volley+14% Synergy
$0.19
Bovine Intervention+10% Synergy
$0.30
Rustler Rampage+10% Synergy
$0.13
Legion Leadership+9% Synergy
$0.47
Take the Bait+9% Synergy
$5.41
Return the Favor+8% Synergy
$2.11
Semester's End+8% Synergy
$1.25
Dead Before Sunrise+7% Synergy
$0.25
Big Score+5% Synergy
$1.00
Demand Answers+5% Synergy
$0.47
Razorgrass Ambush+4% Synergy
$0.34
Your Temple Is Under Attack+3% Synergy
$0.38
Stroke of Midnight+2% Synergy
$0.39
Chaos Warp+1% Synergy
$0.56
Thrill of Possibility+1% Synergy
$0.29
Clever Concealment+1% Synergy
$7.69
Ephemerate+1% Synergy
$4.68
Sejiri Shelter0% Synergy
$1.48
Valakut Awakening0% Synergy
$13.35
Unexpected Windfall-1% Synergy
$3.88
Generous Gift-3% Synergy
$1.18
Dawn's Truce-3% Synergy
$6.80
Abrade-5% Synergy
$0.13
Wear // Tear-7% Synergy
$2.11
Deflecting Swat-9% Synergy
$66.81
Flawless Maneuver-12% Synergy
$18.92
Boros Charm-15% Synergy
$3.64
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Cut a Deal+12% Synergy
$0.34
Flame Fusillade+11% Synergy
$4.16
Sevinne's Reclamation+5% Synergy
$0.60
Ascend from Avernus+5% Synergy
$2.05
Austere Command+4% Synergy
$0.44
Starfall Invocation+4% Synergy
$0.56
Blasphemous Act+3% Synergy
$0.77
Sundering Eruption+3% Synergy
$1.06
Promise of Loyalty+3% Synergy
$0.25
Requisition Raid+3% Synergy
$1.05
Secret Rendezvous+2% Synergy
$0.31
Faithless Looting-5% Synergy
$0.36
Vandalblast-9% Synergy
$2.56
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Magewright's Stone+28% Synergy
$8.81
Basilica Skullbomb+23% Synergy
$0.07
Urza's Bauble+21% Synergy
$6.41
Hylda's Crown of Winter+21% Synergy
$0.48
Stone of Erech+20% Synergy
$0.30
Bagel and Schmear+19% Synergy
$0.18
Collector's Cage+19% Synergy
$1.03
Agatha's Soul Cauldron+17% Synergy
$32.15
Haystack+16% Synergy
$0.24
Pumpkin Bombs+13% Synergy
$2.03
Mindslaver+13% Synergy
$4.95
Rings of Brighthearth+12% Synergy
$4.79
Transmogrifying Wand+12% Synergy
$0.47
Lithoform Engine+11% Synergy
$6.48
Wayfarer's Bauble+10% Synergy
$0.30
The Fire Crystal+9% Synergy
$4.27
Halo Fountain+9% Synergy
$5.61
Argent Dais+9% Synergy
$0.14
Boom Box+9% Synergy
$0.14
Illusionist's Bracers+8% Synergy
$3.93
The Dominion Bracelet+8% Synergy
$0.52
The Chain Veil+7% Synergy
$4.94
Battlemage's Bracers+6% Synergy
$3.92
Expert-Level Safe+6% Synergy
$0.13
Perilous Snare+5% Synergy
$0.28
Lavaspur Boots+4% Synergy
$0.82
Archaeomancer's Map0% Synergy
$4.98
Skullclamp-5% Synergy
$5.02
Basilisk Collar-5% Synergy
$3.64
Lightning Greaves-12% Synergy
$4.61
Swiftfoot Boots-15% Synergy
$2.00
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+33% Synergy
$0.13
We Ride at Dawn+22% Synergy
$0.34
Fable of the Mirror-Breaker+20% Synergy
$7.26
Dazzling Theater // Prop Room+19% Synergy
$0.81
Lassoed by the Law+19% Synergy
$0.06
Seal of Cleansing+14% Synergy
$0.16
Kyren Negotiations+13% Synergy
$0.88
Soul Snare+12% Synergy
$0.13
Friendly Neighborhood+12% Synergy
$0.21
Footfall Crater+11% Synergy
$0.28
Oath of Gideon+10% Synergy
$0.22
Burning Anger+8% Synergy
$0.32
Rowan's Talent+8% Synergy
$0.24
Captive Flame+8% Synergy
$0.13
High Noon+7% Synergy
$3.15
Touch the Spirit Realm+7% Synergy
$0.75
Rising of the Day+6% Synergy
$1.24
Smuggler's Share+4% Synergy
$8.71
Airbender Ascension+4% Synergy
$1.37
Trouble in Pairs+3% Synergy
$28.58
City on Fire+2% Synergy
$12.46
Fiery Emancipation+1% Synergy
$21.82
Tocasia's Welcome0% Synergy
$2.63
Goblin Bombardment0% Synergy
$3.48
Land Tax-5% Synergy
$25.82
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Chandra, Dressed to Kill+35% Synergy
$1.43
Teyo, Geometric Tactician+33% Synergy
$7.82
Chandra, Bold Pyromancer+28% Synergy
$1.90
Elspeth Resplendent+25% Synergy
$4.03
The Eternal Wanderer+23% Synergy
$1.66
The Wandering Emperor+21% Synergy
$3.82
Jeska, Thrice Reborn+17% Synergy
$6.19
Ajani, Caller of the Pride+17% Synergy
$0.95
Ajani Steadfast+17% Synergy
$1.46
Ajani Vengeant+16% Synergy
$2.08
Basri Ket+14% Synergy
$1.02
The Wanderer+14% Synergy
$0.31
Elspeth, Knight-Errant+14% Synergy
$7.46
Chandra, Torch of Defiance+13% Synergy
$3.03
Chandra, Flameshaper+13% Synergy
$1.02
Ajani, Adversary of Tyrants+12% Synergy
$3.02
Gideon Blackblade+10% Synergy
$1.07
Chandra, Flame's Fury+10% Synergy
$1.15
Nahiri, the Harbinger+8% Synergy
$0.43
Gideon of the Trials+8% Synergy
$1.76
Rowan Kenrith+8% Synergy
$0.61
Karn Liberated+8% Synergy
$3.23
Ajani, Inspiring Leader+8% Synergy
$6.86
Archangel Elspeth+7% Synergy
$3.21
Rowan, Fearless Sparkmage+7% Synergy
$0.61
Jaya, Venerated Firemage+7% Synergy
$0.26
Chandra, Legacy of Fire+6% Synergy
$1.65
Chandra, Heart of Fire+5% Synergy
$0.33
Elspeth, Storm Slayer0% Synergy
$40.43
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+33% Synergy
$9.01
Slayers' Stronghold+28% Synergy
$0.28
Sunhome, Fortress of the Legion+25% Synergy
$0.30
Fire Nation Palace+23% Synergy
$2.07
Eiganjo, Seat of the Empire+18% Synergy
$5.88
Labyrinth of Skophos+15% Synergy
$0.31
Kor Haven+14% Synergy
$15.14
Rogue's Passage+13% Synergy
$1.63
Ominous Cemetery+12% Synergy
$0.25
Drannith Ruins+12% Synergy
$0.39
Access Tunnel+11% Synergy
$0.36
Tyrite Sanctum+8% Synergy
$3.02
Desert+8% Synergy
$0.76
Interplanar Beacon+8% Synergy
$0.17
Arid Archway+7% Synergy
$0.48
Mirrorpool+7% Synergy
$2.82
Karn's Bastion+6% Synergy
$2.08
Amonkhet Raceway+6% Synergy
$0.36
Sandstorm Verge+6% Synergy
$0.24
Flamekin Village+6% Synergy
$0.32
Nesting Grounds+5% Synergy
$0.33
Scavenger Grounds+4% Synergy
$0.44
Hanweir Battlements+4% Synergy
$1.84
Homeward Path+4% Synergy
$13.92
Eiganjo Castle+3% Synergy
$12.62
Adagia, Windswept Bastion+2% Synergy
$5.20
War Room+1% Synergy
$8.73
Restless Bivouac+1% Synergy
$0.45
Arena of Glory0% Synergy
$11.31
Monumental Henge0% Synergy
$0.52
Temple of the False God-2% Synergy
$0.28
Reliquary Tower-8% Synergy
$3.84
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+35% Synergy
$3.00
Boros Signet+13% Synergy
$0.45
Talisman of Conviction+11% Synergy
$0.34
Sonic Screwdriver+10% Synergy
$4.46
Mind Stone+9% Synergy
$0.28
Liquimetal Torque+9% Synergy
$3.77
Gatewatch Beacon+9% Synergy
$0.31
Aetheric Amplifier+7% Synergy
$1.39
Bandit's Haul+7% Synergy
$0.23
Laser Screwdriver+7% Synergy
$2.14
Stonespeaker Crystal+7% Synergy
$0.33
Honor-Worn Shaku+5% Synergy
$0.42
Starnheim Memento+5% Synergy
$0.14
Fellwar Stone+4% Synergy
$1.11
Marble Diamond+3% Synergy
$0.19
Fire Diamond+3% Synergy
$0.33
Patriar's Seal+3% Synergy
$4.02
Cursed Mirror+2% Synergy
$1.79
Arcane Signet0% Synergy
$0.45
Commander's Sphere-4% Synergy
$0.30
Thought Vessel-5% Synergy
$2.44
Sol Ring-10% Synergy
$1.18
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Sunscorched Divide+10% Synergy
$0.38
Abraded Bluffs+10% Synergy
$0.26
Legion Leadership+9% Synergy
$0.47
Boros Garrison+7% Synergy
$0.18
Witch Enchanter+7% Synergy
$3.17
Sacred Peaks+7% Synergy
$0.32
Glittering Massif+6% Synergy
$0.33
Captivating Cave+6% Synergy
$0.14
Myriad Landscape+5% Synergy
$0.30
Exotic Orchard+4% Synergy
$0.27
Elegant Parlor+4% Synergy
$10.62
Razorgrass Ambush+4% Synergy
$0.34
Escape Tunnel+4% Synergy
$0.11
Rugged Prairie+3% Synergy
$0.38
Alpine Meadow+3% Synergy
$0.33
Sundering Eruption+3% Synergy
$1.06
Plaza of Heroes+3% Synergy
$7.26
Clifftop Retreat+2% Synergy
$0.34
Sundown Pass+2% Synergy
$6.21
Inspiring Vantage+2% Synergy
$1.10
Lorehold Campus+2% Synergy
$0.10
Spectator Seating+1% Synergy
$15.89
Temple of Triumph+1% Synergy
$0.34
Fabled Passage+1% Synergy
$2.48
Pinnacle Monk+1% Synergy
$1.41
Mountain0% Synergy
$0.26
Plains0% Synergy
$0.21
Battlefield Forge0% Synergy
$0.31
Sejiri Shelter0% Synergy
$1.48
Prismatic Vista0% Synergy
$35.53
Valakut Awakening0% Synergy
$13.35
Sunbillow Verge-1% Synergy
$13.61
Evolving Wilds-1% Synergy
$0.22
Radiant Summit-1% Synergy
$1.71
Terramorphic Expanse-1% Synergy
$0.29
Boros Guildgate-1% Synergy
$0.15
Arid Mesa-2% Synergy
$28.64
Needleverge Pathway-2% Synergy
$3.64
Sunbaked Canyon-2% Synergy
$3.07
Plateau-2% Synergy
$331.42
Sacred Foundry-4% Synergy
$11.33
Furycalm Snarl-4% Synergy
$0.33
Command Tower-5% Synergy
$0.24
Wind-Scarred Crag-6% Synergy
$0.20
Rustvale Bridge-6% Synergy
$0.30
Path of Ancestry-10% Synergy
$0.24
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
Jared Carthalion
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
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