How can you create a combo with Time Sieve, Endless Ranks of the Dead, Encroaching Mycosynth?
user
[START OF COMBO]This combo can be formed with Time Sieve, Endless Ranks of the Dead, Encroaching Mycosynth

Color identity: UB
Mana cost: 
Steps:
  1. At the beginning of your upkeep, Endless Ranks of the Dead triggers, creating at least five 2/2 Zombie creature tokens that are artifacts due to Encroaching Mycosynth.
  2. Activate Time Sieve by tapping it and sacrificing five Zombies, causing you to take an extra turn after this one.
  3. 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 control at least ten Zombies.
[END OF COMBO PREREQUISITES]
assistant