How can you create a combo with Time Sieve, Myr Battlesphere, Lin Sivvi, Defiant Hero, Arcane Adaptation?
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[START OF COMBO]This combo can be formed with Time Sieve, Myr Battlesphere, Lin Sivvi, Defiant Hero, Arcane Adaptation

Color identity: WUB
Mana cost: {10} each turn
Steps:
  1. Activate Lin Sivvi's first ability by paying {7} and tapping it, causing you to search your library for Myr Battlesphere and put it onto the battlefield.
  2. When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens.
  3. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and the four Myr tokens, causing you to take an extra turn after this one.
  4. Activate Lin Sivvi's second ability by paying {3}, putting Myr Battlesphere on the bottom of your library from your graveyard.
  5. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Time Sieve must be on the battlefield
  - Myr Battlesphere must be in the library
  - Lin Sivvi, Defiant Hero must be on the battlefield
  - Arcane Adaptation must be on the battlefield
  - Lin Sivvi does not have summoning sickness.
  - "Rebel" chosen with Arcane Adaptation.
[END OF COMBO PREREQUISITES]
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