Ashnod's Altar + Denry Klin, Editor in Chief + Twilight Shepherd

WU identity

Commander legal

The 3 combo pieces

What must be in place

Denry Klin has at least one +1/+1 counter on it.
Twilight Shepherd does not have a -1/-1 counter on it.

How to execute it

  1. Activate Ashnod's Altar by sacrificing Twilight Shepherd, adding {C}{C}.
  2. Twilight Shepherd dies, triggering its persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Twilight Shepherd enters the battlefield, triggering Denry Klin, putting a +1/+1 counter on Twilight Shepherd.
  4. Repeat.

What the combo produces