How can you create a combo with Time Sieve, Myr Battlesphere, Halvar, God of Battle // Sword of the Realms?
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[START OF COMBO]This combo can be formed with Time Sieve, Myr Battlesphere, Halvar, God of Battle // Sword of the Realms

Color identity: WUB
Mana cost: {8}{W} each turn
Steps:
  1. Cast Myr Battlesphere by paying {7}.
  2. Myr Battlesphere enters the battlefield, creating four 1/1 Myr creature tokens.
  3. Activate Sword of the Realms' equip ability by paying {1}{W}, attaching it to Myr Battlesphere.
  4. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and sacrificing the four Myr tokens.
  5. When Myr Battlesphere dies, Sword of the Realms triggers, returning Myr Battlesphere to your hand from your graveyard.
  6. Resolve the Time Sieve ability, causing you to take an extra turn after this one.
  7. 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 your hand
  - Halvar, God of Battle // Sword of the Realms must be on the battlefield
[END OF COMBO PREREQUISITES]
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