How can you create a combo with Ertha Jo, Frontier Mentor, Seeker of Skybreak?
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[START OF COMBO]This combo can be formed with Ertha Jo, Frontier Mentor, Seeker of Skybreak

Color identity: RGW
Mana cost: 
Steps:
  1. Activate Seeker of Skybreak by tapping it, targeting itself.
  2. Ertha Jo's second ability triggers, copying Seeker of Skybreak's ability, targeting any other creature.
  3. Resolve both Seeker of Skybreak abilities, untapping it and the other targeted creature.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite mana creatures you control can produce
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Seeker of Skybreak does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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