How can you create a combo with Time Sieve, Myr Battlesphere, Mortuary?
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[START OF COMBO]This combo can be formed with Time Sieve, Myr Battlesphere, Mortuary

Color identity: UB
Mana cost: {7} 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 Time Sieve by tapping it, sacrificing Myr Battlesphere and sacrificing the four Myr tokens.
  4. When Myr Battlesphere dies, Mortuary triggers, putting Myr Battlesphere on top of your library from your graveyard.
  5. Resolve the Time Sieve ability, causing you to take an extra turn after this one.
  6. Move to your next turn, drawing Myr Battlesphere during your draw step.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns
  - Skip your draw step[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Time Sieve must be on the battlefield
  - Myr Battlesphere must be in your hand
  - Mortuary must be on the battlefield
[END OF COMBO PREREQUISITES]
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