Basal Sliver + Mikaeus, the Unhallowed + Retribution of the Ancients

B identity

Commander legal

The 3 combo pieces

What must be in place

Basal Sliver does not have a +1/+1 counter on it.

How to execute it

  1. Activate Basal Sliver by sacrificing it, adding {B}{B}.
  2. Basal Sliver dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Activate Retribution of the Ancients by paying {B} and removing the +1/+1 counter from Basal Sliver, targeting any creature.
  4. Repeat.

What the combo produces