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Ertha Jo, Frontier Mentor

Ertha Jo, Frontier Mentor

Legendary Creature — Kor Advisor2/4$0.23

When Ertha Jo enters, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.

Legal in Commander

Is

Does

Makes tokens

Rewards

Combos 25

  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Zealous Conscripts

    • Infinite creature tokens with haste

    4,272 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Zealous Conscripts. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Zealous Conscripts that is a 1/1 Balloon with haste. When Zealous Conscripts enters the battlefield, it triggers, untapping The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Restoration Angel

    • Infinite creature tokens with haste

    3,260 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Restoration Angel. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Restoration Angel that is a 1/1 Balloon with haste. When Restoration Angel enters the battlefield, it triggers, blinking The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Felidar Guardian

    • Infinite creature tokens with haste

    1,991 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Felidar Guardian. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Felidar Guardian that is a 1/1 Balloon with haste. When Felidar Guardian enters the battlefield, it triggers, blinking The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Sparring Mummy

    • Infinite creature tokens with haste

    730 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Sparring Mummy. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Sparring Mummy that is a 1/1 Balloon with haste. When Sparring Mummy enters the battlefield, it triggers, untapping The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Icewind Stalwart

    • Infinite creature tokens with haste

    240 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Icewind Stalwart. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Icewind Stalwart that is a 1/1 Balloon with haste. When Icewind Stalwart enters the battlefield, it triggers, blinking The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + Aphetto Alchemist

    • Infinite mana artifacts you control can produce
    • Infinite mana creatures you control can produce

    126 decks on Commander Spellbook

    How it works

    Before you start

    Aphetto Alchemist does not have summoning sickness.

    Steps

    Activate Aphetto Alchemist by tapping it, targeting itself. Ertha Jo's second ability triggers, copying Aphetto Alchemist's ability, targeting any other creature or artifact. Resolve both Aphetto Alchemist abilities, untapping it and the other targeted creature or artifact. Repeat.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Hyrax Tower Scout

    • Infinite creature tokens with haste

    112 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Hyrax Tower Scout. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Hyrax Tower Scout that is a 1/1 Balloon with haste. When Hyrax Tower Scout enters the battlefield, it triggers, untapping The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + The Jolly Balloon Man + Wispweaver Angel

    • Infinite creature tokens with haste

    86 decks on Commander Spellbook

    How it works

    Before you start

    You control a creature that can tap to produce at least {1}.

    Steps

    Activate a mana-producing creature by tapping it, adding at least {1}. Activate The Jolly Balloon Man by paying {1} and tapping it, targeting the mana-producing creature. Ertha Jo triggers, copying The Jolly Balloon Man's ability, targeting Wispweaver Angel. Resolve the copy of The Jolly Balloon Man's ability, creating a token copy of Wispweaver Angel that is a 1/1 Balloon with haste. When Wispweaver Angel enters the battlefield, it triggers, blinking The Jolly Balloon Man. Resolve the Jolly Ballon Man ability from step 2, creating a token copy of the mana-producing creature that is a 1/1 Balloon with haste. Activate the mana-producing creature token by tapping it, adding at least {1}. Repeat from step 2.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + Seeker of Skybreak

    • Infinite mana creatures you control can produce

    38 decks on Commander Spellbook

    How it works

    Before you start

    Seeker of Skybreak does not have summoning sickness.

    Steps

    Activate Seeker of Skybreak by tapping it, targeting itself. Ertha Jo's second ability triggers, copying Seeker of Skybreak's ability, targeting any other creature. Resolve both Seeker of Skybreak abilities, untapping it and the other targeted creature. Repeat.

    Commander Spellbook ↗
  • Ertha Jo, Frontier Mentor + Palladium Myr + Voltaic Key

    • Infinite colorless mana
    • Infinite mana artifact creatures you control can produce

    19 decks on Commander Spellbook

    How it works

    Steps

    Activate Palladium Myr by tapping it, adding {C}{C}. Activate Voltaic Key by paying {1} and tapping it, targeting Palladium Myr. Ertha Jo's second ability triggers, copying Voltaic Key's ability, targeting Voltaic Key. Resolve both Voltaic Key abilities, untapping it and Palladium Myr. Repeat.

    Commander Spellbook ↗

Combo data from Commander Spellbook. Only combos of 2 or 3 named cards are listed.

Best commanders

Commanders whose abilities work with this card and share its colors, from what the cards do.

  1. Kirol, Attentive First-YearKirol, Attentive First-Year copies your triggered abilities, which Ertha Jo, Frontier Mentor can use because it has an enter-the-battlefield trigger.
  2. Mister FantasticMister Fantastic copies your triggered abilities, which Ertha Jo, Frontier Mentor can use because it has an enter-the-battlefield trigger.
  3. The Fourteenth DoctorThe Fourteenth Doctor copies creatures, which Ertha Jo, Frontier Mentor can use because it has an enter-the-battlefield trigger.
  4. Ulalek, Fused AtrocityUlalek, Fused Atrocity copies your triggered abilities, which Ertha Jo, Frontier Mentor can use because it has an enter-the-battlefield trigger.
  5. Leonardo, the BalanceErtha Jo, Frontier Mentor makes creature tokens, which Leonardo, the Balance can use because it rewards having/making creature tokens.
  6. The ArchimandriteErtha Jo, Frontier Mentor is an Advisor, which The Archimandrite can use.
  7. The NeutrinosErtha Jo, Frontier Mentor makes creature tokens, which The Neutrinos can use because it rewards having/making creature tokens.
  8. Marvel Boy, Noh-VarrErtha Jo, Frontier Mentor makes creature tokens, which Marvel Boy, Noh-Varr can use because it rewards having/making creature tokens.
  9. Kira Nerys, FirebrandErtha Jo, Frontier Mentor makes creature tokens, which Kira Nerys, Firebrand can use because it rewards having/making creature tokens.
  10. Jetmir, Nexus of RevelsErtha Jo, Frontier Mentor makes creature tokens, which Jetmir, Nexus of Revels can use because it rewards having/making creature tokens.

View Ertha Jo, Frontier Mentor on Scryfall