How can you create a combo with Experiment Kraj, Channeler Initiate, Devoted Druid?
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[START OF COMBO]This combo can be formed with Experiment Kraj, Channeler Initiate, Devoted Druid

Color identity: GU
Mana cost: 
Steps:
  1. Activate Experiment Kraj using Devoted Druid's second ability by putting a -1/-1 counter on Experiment Kraj, untapping Experiment Kraj.
  2. Activate Experiment Kraj using Channeler Initiate's ability by tapping Experiment Kraj and removing a -1/-1 counter from it, adding one mana of any color.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Experiment Kraj does not have summoning sickness.
  - Channeler Initiate and Devoted Druid have at least one +1/+1 counter on them.
[END OF COMBO PREREQUISITES]
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