Ertha Jo, Frontier Mentor
Legendary Creature — Kor Advisor · 
Ertha Jo, Frontier Mentor is part of 74 combos legal in Commander. Often combined with Clock of Omens and The Jolly Balloon Man.
Ertha Jo, Frontier Mentor
Legendary Creature — Kor Advisor
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.
- Mana value
- 4
- Power/Toughness
- 2/4
- Color identity
Frequently combined with
The cards that most often join Ertha Jo, Frontier Mentor across all of its 74 combos.
Roles in combos
Ertha Jo, Frontier Mentor can stand in for these generic cards, so it also fits the combos that require them.
Combos with Ertha Jo, Frontier Mentor
74 combos legal in Commander.
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Zealous Conscripts
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Restoration Angel
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Felidar Guardian
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Sparring Mummy
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Icewind Stalwart
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: U, R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Aphetto Alchemist
+1 other prerequisite
Results in combo:
Infinite mana artifacts you control can produce
Infinite mana creatures you control can produce
Infinite untap of artifacts you control
Infinite untap of creatures you control
Color Identity: R, G, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Hyrax Tower Scout
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Wispweaver Angel
+1 other prerequisite
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens with haste
Color Identity: R, G, W
Cards in combo:
Ertha Jo, Frontier Mentor
Seeker of Skybreak
+1 other prerequisite
Results in combo:
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Color Identity: R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Clock of Omens
Liquimetal Torque
+ Creature That Triggers on Being Tapped
Results in combo:
Infinite triggers from the creature with a tap trigger
Color Identity: R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Palladium Myr
Voltaic Key
Results in combo:
Infinite colorless mana
Infinite untap of artifact creatures you control
Infinite mana artifact creatures you control can produce
Color Identity: U, R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Tidewater Minion
+1 other prerequisite
Results in combo:
Infinite untap of permanents you control
Infinite mana permanents you control can produce
Color Identity: R, G, W
Cards in combo:
The Jolly Balloon Man
Ertha Jo, Frontier Mentor
Little Bear
+1 other prerequisite
Results in combo:
Infinite creature ETB
Infinite creature LTB
Infinite creature tokens with haste
Infinite death triggers
Infinite creature sacrifice triggers
Color Identity: R, W
Cards in combo:
Transmutation Font
Clock of Omens
Ertha Jo, Frontier Mentor
Results in combo:
Infinite tapped Food tokens
Infinite tapped Clue tokens
Infinite tapped Blood tokens
Color Identity: R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Clock of Omens
Liquimetal Coating
+ Creature That Triggers on Being Tapped
Results in combo:
Infinite triggers from the creature with a tap trigger
Color Identity: R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Clock of Omens
Mycosynth Lattice
+ Creature That Triggers on Being Tapped
Results in combo:
Infinite triggers from the creature with a tap trigger
Color Identity: R, G, W
Cards in combo:
Ertha Jo, Frontier Mentor
Staff of Domination
Incubation Druid
Results in combo:
Infinite card draw
Infinite draw triggers
Infinite lifegain
Infinite lifegain triggers
Infinite mana creatures you control can produce
Infinite mana lands you control can produce
Infinite untap of creatures you control
Color Identity: R, W
Cards in combo:
Ertha Jo, Frontier Mentor
Metalworker
Voltaic Key
+1 other prerequisite
Results in combo:
Infinite colorless mana
Infinite untap of artifact creatures you control
Infinite mana artifact creatures you control can produce
Color Identity: W, U, B, R, G
Cards in combo:
Ertha Jo, Frontier Mentor
Kenrith, the Returned King
Crystalline Crawler
Zirda, the Dawnwaker
Results in combo:
Infinite colored mana
Infinite lifegain triggers
Infinite lifegain
Infinite card draw for any number of players
Return all creature cards from all graveyards to the battlefield under your control
Infinite draw triggers for any number of opponents
Infinite +1/+1 counters on creatures you control
Color Identity: W, U, B, R, G
Cards in combo:
Ertha Jo, Frontier Mentor
Kenrith, the Returned King
Crystalline Crawler
Biomancer's Familiar
Results in combo:
Infinite colored mana
Infinite lifegain triggers
Infinite lifegain
Infinite card draw for any number of players
Return all creature cards from all graveyards to the battlefield under your control
Infinite draw triggers for any number of opponents
Infinite +1/+1 counters on creatures you control
