How can you create a combo with Bigger on the Inside, Blossoming Tortoise, Deserted Temple, Rings of Brighthearth?
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[START OF COMBO]This combo can be formed with Bigger on the Inside, Blossoming Tortoise, Deserted Temple, Rings of Brighthearth

Color identity: RG
Mana cost: {2} plus enough mana to cast the nonland card.
Steps:
  1. Activate Deserted Temple's second ability by paying {0} due to Blossoming Tortoise and tapping it, targeting itself.
  2. Rings of Brighthearth triggers, causing you to pay {2} to copy Deserted Temple's ability, targeting Deserted Temple.
  3. Resolve the copy of Deserted Temple's ability, untapping it.
  4. Activate Deserted Temple by tapping it, adding two mana of any color and causing the next spell you cast this turn to have cascade.
  5. Resolve the Deserted Temple ability from step 1, untapping it.
  6. Repeat.
  7. Cast any nonland card from your hand by paying its mana cost, causing you to get infinite cascade triggers based off the mana value of that spell.[END OF COMBO STEPS]

Result:
  - Infinite cascade with mana value equal to the next spell you cast[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have at least one nonland card in hand.
[END OF COMBO PREREQUISITES]
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