How can you create a combo with Farmstead Gleaner, Elemental Mastery, Mana Echoes?
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[START OF COMBO]This combo can be formed with Farmstead Gleaner, Elemental Mastery, Mana Echoes

Color identity: R
Mana cost: 
Steps:
  1. Activate Farmstead Gleaner by tapping it, creating a number of 1/1 Elemental creature tokens with haste equal to its power.
  2. The Elemental tokens enter the battlefield, triggering Mana Echoes that many times.
  3. Resolve the first Mana Echoes trigger, adding {C} for each Elemental you control.
  4. Repeat step 3 for each remaining trigger.
  5. Activate Farmstead Gleaner by paying {2} and untapping it, putting a +1/+1 counter on it.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Farmstead Gleaner
  - Infinite colorless mana
  - Infinite creature tokens with haste
  - Infinite enters the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Elemental Mastery attached to Farmstead Gleaner.
  - Farmstead Gleaner does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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