How can you create a combo with There and Back Again, Orvar, the All-Form, Imps' Taunt?
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[START OF COMBO]This combo can be formed with There and Back Again, Orvar, the All-Form, Imps' Taunt

Color identity: UBR
Mana cost: {4}{B}
Steps:
  1. At the beginning of your precombat main phase, There and Back Again triggers, creating a legendary 6/6 Smaug creature token, and causing you to sacrifice There and Back Again.
  2. Cast Imps' Taunt with buyback by paying {4}{B}, targeting the Smaug token.
  3. Orvar's first ability triggers, creating a copy of the Smaug token.
  4. Put the new Smaug token into your graveyard due to the legend rule.
  5. When Smaug dies, it triggers, creating fourteen Treasure tokens.
  6. Resolve Imps' Taunt from step 2, returning it to your hand.
  7. Activate five Treasures by tapping and sacrificing them, adding {4}{B}.
  8. Repeat from step 2.
  9. Once you have infinite colored mana, you may instead target any other creature(s) you control using Imps' Taunt, to create infinite tokens of them using Orvar.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite copies of creatures you control
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite storm count
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - There and Back Again must be on the battlefield
  - Orvar, the All-Form must be on the battlefield
  - Imps' Taunt must be in your hand
  - There and Back Again has exactly two lore counters on it.
[END OF COMBO PREREQUISITES]
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