How can you create a combo with Cabal Coffers, Rings of Brighthearth, Deserted Temple?
user
[START OF COMBO]This combo can be formed with Cabal Coffers, Rings of Brighthearth, Deserted Temple

Color identity: B
Mana cost: {2}
Steps:
  1. Activate Cabal Coffers by paying {2} and tapping it, adding {B} for each Swamp you control.
  2. Activate Deserted Temple's second ability by paying {1} and tapping it, targeting Cabal Coffers.
  3. Rings of Brighthearth triggers, causing you to pay {2} to copy Deserted Temple's ability, targeting itself.
  4. Resolve both Deserted Temple abilities, untapping Deserted Temple and Cabal Coffers.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least six Swamps.
[END OF COMBO PREREQUISITES]
assistant