Ertha Jo, Frontier Mentor
$0.20
$0.20Legendary 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
#1809
Current Rank
#1925
Last Week
#1758
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.
Gleaming Splendor+15% Synergy
$149.99
Sif's Spearmaster+9% Synergy
$0.27
The Mind Stone+3% Synergy
$60.77
Alicia Masters, Skilled Sculptor+2% Synergy
$0.28
Black Widow, Agile Avenger+2% Synergy
$10.12
High Synergy Cards
Cards that work exceptionally well with Ertha Jo, Frontier Mentor's abilities and overall game plan.
Humble Defector+71% Synergy
$0.41
Soulbright Flamekin+64% Synergy
$0.16
Brash Taunter+56% Synergy
$3.30
Yes Man, Personal Securitron+55% Synergy
$1.79
Loran of the Third Path+51% Synergy
$4.61
Jaxis, the Troublemaker+50% Synergy
$1.58
Realmbreaker, the Invasion Tree+47% Synergy
$0.47
Angelic Sell-Sword+46% Synergy
$0.45
Mishra's Bauble+46% Synergy
$2.76
The Jolly Balloon Man+45% Synergy
$0.97
Top Cards
The most popular and reliable cards that form the backbone of successful Ertha Jo, Frontier Mentor decks.
Intrepid Hero+43% Synergy
$1.05
Captivating Crew+43% Synergy
$0.39
Form a Posse+41% Synergy
$0.18
Spikeshot Goblin+40% Synergy
$0.14
Orthion, Hero of Lavabrink+40% Synergy
$5.47
Zirda, the Dawnwaker+39% Synergy
$1.62
Thousand-Year Elixir+38% Synergy
$14.61
Mother of Runes+36% Synergy
$12.99
Path to Exile-9% Synergy
$1.04
Swords to Plowshares-12% Synergy
$1.27
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Farewell+2% Synergy
$5.82
Jeska's Will-3% Synergy
$41.58
Teferi's Protection-7% Synergy
$50.96
Smothering Tithe-7% Synergy
$60.87
Creatures
Essential creatures that complement Ertha Jo, Frontier Mentor's strategy through synergy, utility, or raw power.
Hellspur Posse Boss+37% Synergy
$0.26
Marvin, Murderous Mimic+33% Synergy
$3.67
Bounty Agent+33% Synergy
$0.35
Drumbellower+31% Synergy
$2.39
Brigid, Hero of Kinsbaile+31% Synergy
$6.76
Spikeshot Elder+29% Synergy
$0.32
Furystoke Giant+29% Synergy
$5.51
Chandra, Fire of Kaladesh+29% Synergy
$3.59
Magda, the Hoardmaster+29% Synergy
$0.77
Giver of Runes+27% Synergy
$11.79
Strago and Relm+27% Synergy
$0.30
Auriok Bladewarden+26% Synergy
$0.14
Kiki-Jiki, Mirror Breaker+24% Synergy
$16.30
Agrus Kos, Eternal Soldier+24% Synergy
$1.71
Taii Wakeen, Perfect Shot+23% Synergy
$0.28
Skrelv, Defector Mite+23% Synergy
$3.08
Adarkar Valkyrie+22% Synergy
$1.37
The Warring Triad+22% Synergy
$0.56
Brion Stoutarm+21% Synergy
$0.68
Cathar Commando+21% Synergy
$0.19
Survey Mechan+19% Synergy
$0.29
Soulbright Seeker+17% Synergy
$0.22
Whiskervale Forerunner+17% Synergy
$0.26
Gilraen, Dúnedain Protector+16% Synergy
$0.38
Goblin Sharpshooter+16% Synergy
$27.73
Bre of Clan Stoutarm+14% Synergy
$0.28
Prickly Pair+14% Synergy
$0.06
Kamahl, Pit Fighter+14% Synergy
$0.18
Zookeeper Mechan+13% Synergy
$0.23
Stun Sniper+13% Synergy
$0.19
Cunning Sparkmage+12% Synergy
$0.28
Vulshok Sorcerer+12% Synergy
$0.16
Bloodlust Inciter+11% Synergy
$0.15
Voldaren Thrillseeker+11% Synergy
$0.22
Prodigal Pyromancer+11% Synergy
$0.14
Mila, Crafty Companion+11% Synergy
$1.85
Goblin Fireslinger+11% Synergy
$0.18
Mangara, the Diplomat+11% Synergy
$0.35
Onakke Oathkeeper+10% Synergy
$1.74
Giant Killer+10% Synergy
$0.34
Cinder Pyromancer+10% Synergy
$0.31
Heartfire Hero+10% Synergy
$0.28
Welcoming Vampire+8% Synergy
$3.51
Village Bell-Ringer+7% Synergy
$0.32
Witch Enchanter+6% Synergy
$3.01
Delney, Streetwise Lookout+4% Synergy
$34.29
Knight of the White Orchid+2% Synergy
$3.94
Sun Titan0% Synergy
$0.35
Solemn Simulacrum-5% Synergy
$0.27
Esper Sentinel-12% Synergy
$60.45
Instants
Key instant-speed responses for protection, removal, and keeping Ertha Jo, Frontier Mentor safe.
To Arms!+23% Synergy
$0.31
Lightning Volley+12% Synergy
$0.29
Rustler Rampage+12% Synergy
$0.25
Legion Leadership+10% Synergy
$0.40
Take the Bait+10% Synergy
$5.17
Return the Favor+9% Synergy
$0.43
Semester's End+8% Synergy
$0.93
Bovine Intervention+7% Synergy
$0.30
Dead Before Sunrise+6% Synergy
$0.53
Stroke of Midnight+4% Synergy
$0.39
Razorgrass Ambush+3% Synergy
$0.33
Demand Answers+3% Synergy
$0.39
Your Temple Is Under Attack+2% Synergy
$0.39
Clever Concealment+2% Synergy
$4.05
Big Score+0% Synergy
$0.42
Ephemerate+0% Synergy
$5.01
Valakut Awakening+0% Synergy
$17.60
Sejiri Shelter0% Synergy
$1.85
Thrill of Possibility0% Synergy
$0.31
Chaos Warp-1% Synergy
$0.33
Erode-1% Synergy
$5.99
Generous Gift-2% Synergy
$0.71
Dawn's Truce-2% Synergy
$8.16
Unexpected Windfall-3% Synergy
$3.46
Abrade-4% Synergy
$0.29
Wear // Tear-4% Synergy
$2.59
Lorehold Charm-6% Synergy
$0.27
Deflecting Swat-9% Synergy
$67.34
Flawless Maneuver-11% Synergy
$20.27
Boros Charm-12% Synergy
$4.81
Deflecting Palm-12% Synergy
$4.14
Sorceries
Important sorcery spells that advance Ertha Jo, Frontier Mentor's game plan and control the board.
Flame Fusillade+10% Synergy
$3.31
Cut a Deal+9% Synergy
$0.23
Ascend from Avernus+6% Synergy
$2.38
Austere Command+5% Synergy
$0.32
Promise of Loyalty+4% Synergy
$0.20
Sundering Eruption+3% Synergy
$1.16
Starfall Invocation+2% Synergy
$1.11
Requisition Raid+2% Synergy
$0.42
Blasphemous Act+2% Synergy
$0.76
Sevinne's Reclamation+1% Synergy
$0.35
Secret Rendezvous+0% Synergy
$0.35
Faithless Looting-8% Synergy
$0.40
Vandalblast-8% Synergy
$1.02
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Chaos Wand+39% Synergy
$0.37
Magewright's Stone+26% Synergy
$8.83
Urza's Bauble+23% Synergy
$5.23
Stone of Erech+21% Synergy
$0.33
Basilica Skullbomb+20% Synergy
$0.19
Collector's Cage+20% Synergy
$0.91
Hylda's Crown of Winter+19% Synergy
$0.52
Bagel and Schmear+19% Synergy
$0.12
Haystack+16% Synergy
$0.30
Agatha's Soul Cauldron+16% Synergy
$38.14
Pumpkin Bombs+14% Synergy
$1.60
Transmogrifying Wand+12% Synergy
$0.41
Mindslaver+10% Synergy
$4.97
Argent Dais+10% Synergy
$0.23
Wayfarer's Bauble+10% Synergy
$0.35
The Fire Crystal+10% Synergy
$5.77
Rings of Brighthearth+9% Synergy
$5.63
Lithoform Engine+9% Synergy
$7.43
Illusionist's Bracers+9% Synergy
$5.85
Halo Fountain+8% Synergy
$7.79
Boom Box+8% Synergy
$0.17
The Chain Veil+7% Synergy
$5.44
Battlemage's Bracers+7% Synergy
$3.41
The Dominion Bracelet+5% Synergy
$0.36
Expert-Level Safe+5% Synergy
$0.24
Perilous Snare+5% Synergy
$0.32
Archaeomancer's Map-2% Synergy
$1.23
Skullclamp-3% Synergy
$5.30
Basilisk Collar-5% Synergy
$5.08
Lightning Greaves-11% Synergy
$4.10
Swiftfoot Boots-16% Synergy
$1.93
Enchantments
Powerful enchantments that support Ertha Jo, Frontier Mentor's strategy and create lasting battlefield effects.
Brimstone Roundup+33% Synergy
$0.16
We Ride at Dawn+22% Synergy
$0.37
Dazzling Theater // Prop Room+18% Synergy
$0.77
Fable of the Mirror-Breaker+17% Synergy
$5.85
Lassoed by the Law+17% Synergy
$0.07
Soul Snare+13% Synergy
$0.29
Seal of Cleansing+13% Synergy
$0.35
Kyren Negotiations+11% Synergy
$1.03
Oath of Gideon+11% Synergy
$0.30
Friendly Neighborhood+10% Synergy
$0.31
Footfall Crater+9% Synergy
$0.29
Burning Anger+8% Synergy
$0.24
Captive Flame+7% Synergy
$0.15
Rowan's Talent+7% Synergy
$0.32
High Noon+6% Synergy
$5.52
Touch the Spirit Realm+5% Synergy
$0.88
Rising of the Day+5% Synergy
$1.01
Smuggler's Share+3% Synergy
$9.74
Trouble in Pairs+2% Synergy
$26.43
City on Fire+1% Synergy
$12.53
Fiery Emancipation+0% Synergy
$13.94
Goblin Bombardment+0% Synergy
$2.46
Tocasia's Welcome-1% Synergy
$0.66
Planeswalkers
Planeswalkers that work alongside Ertha Jo, Frontier Mentor to provide ongoing value and board presence.
Chandra, Dressed to Kill+40% Synergy
$1.82
Teyo, Geometric Tactician+32% Synergy
$9.85
Chandra, Bold Pyromancer+31% Synergy
$2.69
Elspeth Resplendent+26% Synergy
$4.55
The Wandering Emperor+24% Synergy
$4.01
The Eternal Wanderer+23% Synergy
$1.76
Ajani Steadfast+19% Synergy
$2.12
Ajani, Caller of the Pride+19% Synergy
$0.54
Jeska, Thrice Reborn+17% Synergy
$6.35
Ajani Vengeant+16% Synergy
$5.28
The Wanderer+15% Synergy
$0.30
Elspeth, Knight-Errant+15% Synergy
$9.06
Chandra, Torch of Defiance+15% Synergy
$3.15
Basri Ket+13% Synergy
$1.46
Ajani, Adversary of Tyrants+13% Synergy
$2.04
Chandra, Flameshaper+12% Synergy
$0.70
Gideon Blackblade+10% Synergy
$1.12
Chandra, Flame's Fury+10% Synergy
$1.73
Nahiri, the Harbinger+9% Synergy
$0.42
Ajani, Inspiring Leader+8% Synergy
$7.90
Karn Liberated+8% Synergy
$3.46
Archangel Elspeth+7% Synergy
$4.24
Chandra, Legacy of Fire+7% Synergy
$2.90
Rowan Kenrith+7% Synergy
$0.48
Gideon of the Trials+7% Synergy
$1.68
Rowan, Fearless Sparkmage+7% Synergy
$0.72
Jaya, Venerated Firemage+5% Synergy
$0.23
Chandra, Heart of Fire+5% Synergy
$0.36
Elspeth, Storm Slayer+0% Synergy
$40.35
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Maze of Ith+31% Synergy
$10.03
Slayers' Stronghold+30% Synergy
$0.38
Sunhome, Fortress of the Legion+25% Synergy
$0.34
Fire Nation Palace+22% Synergy
$2.32
Eiganjo, Seat of the Empire+17% Synergy
$4.79
Labyrinth of Skophos+14% Synergy
$0.36
Kor Haven+14% Synergy
$18.18
Rogue's Passage+13% Synergy
$0.37
Ominous Cemetery+11% Synergy
$0.26
Drannith Ruins+10% Synergy
$0.42
Interplanar Beacon+9% Synergy
$0.18
Tyrite Sanctum+8% Synergy
$3.01
Karn's Bastion+8% Synergy
$2.84
Desert+7% Synergy
$1.06
Access Tunnel+7% Synergy
$0.42
Nesting Grounds+7% Synergy
$0.35
Sandstorm Verge+6% Synergy
$0.24
Arid Archway+6% Synergy
$0.79
Amonkhet Raceway+5% Synergy
$0.33
Homeward Path+5% Synergy
$16.57
Flamekin Village+5% Synergy
$0.32
Mirrorpool+5% Synergy
$3.74
Scavenger Grounds+3% Synergy
$0.28
Hanweir Battlements+3% Synergy
$2.19
Adagia, Windswept Bastion+3% Synergy
$5.69
War Room+1% Synergy
$4.43
Monumental Henge+0% Synergy
$0.35
Restless Bivouac+0% Synergy
$0.47
Arena of Glory-1% Synergy
$7.61
Temple of the False God-1% Synergy
$0.31
Reliquary Tower-6% Synergy
$4.25
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Bounty Board+33% Synergy
$2.02
Boros Signet+12% Synergy
$0.46
Gatewatch Beacon+10% Synergy
$0.38
Talisman of Conviction+10% Synergy
$0.35
Liquimetal Torque+8% Synergy
$3.32
Sonic Screwdriver+8% Synergy
$3.14
Mind Stone+8% Synergy
$0.35
Aetheric Amplifier+8% Synergy
$0.58
Bandit's Haul+6% Synergy
$0.27
Honor-Worn Shaku+6% Synergy
$0.44
Laser Screwdriver+6% Synergy
$1.38
Stonespeaker Crystal+6% Synergy
$0.45
Starnheim Memento+5% Synergy
$0.29
Patriar's Seal+3% Synergy
$5.25
Fellwar Stone+2% Synergy
$0.86
Fire Diamond+2% Synergy
$0.33
Marble Diamond+2% Synergy
$0.27
Cursed Mirror+0% Synergy
$0.45
Arcane Signet-1% Synergy
$0.43
Thought Vessel-2% Synergy
$2.44
Commander's Sphere-4% Synergy
$0.29
Sol Ring-11% Synergy
$1.43
Lands
The mana base foundation for Ertha Jo, Frontier Mentor decks, ensuring smooth and reliable mana development.
Boros Garrison+10% Synergy
$0.22
Legion Leadership+10% Synergy
$0.40
Sunscorched Divide+9% Synergy
$0.31
Abraded Bluffs+9% Synergy
$0.31
Witch Enchanter+6% Synergy
$3.01
Myriad Landscape+6% Synergy
$0.30
Captivating Cave+5% Synergy
$0.25
Escape Tunnel+5% Synergy
$0.29
Sacred Peaks+4% Synergy
$0.26
Rugged Prairie+4% Synergy
$0.30
Razorgrass Ambush+3% Synergy
$0.33
Sundering Eruption+3% Synergy
$1.16
Alpine Meadow+3% Synergy
$0.37
Elegant Parlor+2% Synergy
$8.85
Inspiring Vantage+2% Synergy
$1.95
Demolition Field+2% Synergy
$0.28
Plaza of Heroes+1% Synergy
$3.73
Battlefield Forge+1% Synergy
$0.32
Exotic Orchard+1% Synergy
$0.27
Temple of Triumph+1% Synergy
$0.21
Prismatic Vista+0% Synergy
$35.44
Clifftop Retreat+0% Synergy
$0.29
Spectator Seating+0% Synergy
$6.14
Sundown Pass+0% Synergy
$2.09
Glittering Massif+0% Synergy
$0.30
Mountain+0% Synergy
$0.28
Valakut Awakening+0% Synergy
$17.60
Sejiri Shelter0% Synergy
$1.85
Plains0% Synergy
$0.28
Pinnacle Monk0% Synergy
$1.57
Boros Guildgate0% Synergy
$0.12
Sunbaked Canyon0% Synergy
$4.36
Evolving Wilds0% Synergy
$0.28
Arid Mesa0% Synergy
$29.78
Sunbillow Verge0% Synergy
$9.01
Needleverge Pathway0% Synergy
$4.02
Terramorphic Expanse-1% Synergy
$0.31
Fabled Passage-1% Synergy
$1.04
Plateau-2% Synergy
$375.77
Radiant Summit-3% Synergy
$0.38
Sacred Foundry-3% Synergy
$9.56
Furycalm Snarl-4% Synergy
$0.26
Command Tower-4% Synergy
$0.34
Rustvale Bridge-5% Synergy
$0.29
Wind-Scarred Crag-5% Synergy
$0.17
Turbulent Steppe-7% Synergy
$4.16
Path of Ancestry-9% Synergy
$0.29
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
Lae'zel, Vlaakith's Champion // Noble Heritage
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
Jared Carthalion
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 // Inspiring Leader
Lae'zel, Vlaakith's Champion // Street Urchin
Lae'zel, Vlaakith's Champion // Veteran Soldier
Anax and Cymede
Baird, Argivian Recruiter
Brion Stoutarm
Plargg, Dean of Chaos
Queen Kayla bin-Kroog
Razia, Boros Archangel
Rem Karolus, Stalwart Slayer