Biotransference + Endless Ranks of the Dead + Time Sieve

UB identity

Commander legal

The 3 combo pieces

What must be in place

You control at least ten Zombies.

How to execute it

  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 Biotransference.
  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.

What the combo produces