How can you create a combo with Rings of Brighthearth, Seeker of Skybreak, Bloom Tender?
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[START OF COMBO]This combo can be formed with Rings of Brighthearth, Seeker of Skybreak, Bloom Tender

Color identity: G
Mana cost: 
Steps:
  1. Activate Bloom Tender by tapping it, adding at least three mana of different colors.
  2. Activate Seeker of Skybreak by tapping it.
  3. Rings of Brighthearth triggers, allowing you to pay {2} to copy Seeker of Skybreak's ability and choose a new target for the copy.
  4. Resolve both copies of Seeker of Skybreak's ability, untapping Seeker of Skybreak and Bloom Tender.
  5. Repeat.
  6. Once you have infinite mana, you may untap any creature instead of Bloom Tender in step 4.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Bloom Tender and Seeker of Skybreak do not have summoning sickness.
  - There are at least three colors among permanents you control.
[END OF COMBO PREREQUISITES]
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