Cryptic Trilobite + Heartless Summoning + Mikaeus, the Unhallowed

B identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding {C}{C} that can only be spent to activate abilities.
  2. Repeat step 1 until Cryptic Trilobite does not have any +1/+1 counters on it.
  3. Cryptic Trilobite dies as a state-based action due to having 0 toughness.
  4. Cryptic Trilobite's undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  5. Repeat.

What the combo produces