How can you create a combo with Time Sieve, Cybermen Squadron?
user
[START OF COMBO]This combo can be formed with Time Sieve, Cybermen Squadron

Color identity: UB
Mana cost: 
Steps:
  1. Declare a sufficient number of nonlegendary artifact creatures as attackers.
  2. Each creature's myriad ability triggers, creating a token copy of each creature attacking each other opponent.
  3. Activate Time Sieve by tapping it and sacrificing five of the creature tokens, causing you to take an extra turn after this one.
  4. At end of combat, exile any remaining tokens created by myriad abilities.
  5. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - You have at least two opponents.
  - You control a number of nonlegendary artifact creatures that do not have summoning sickness equal to five divided by the number of opponents you have minus one, rounded up.
  - Opponents cannot block and kill creatures you control.
[END OF COMBO PREREQUISITES]
assistant