Good-Fortune Unicorn + Murderous Redcap + Phyrexian Altar

BRGW identity

Commander legal

The 3 combo pieces

How to execute it

  1. Sacrifice Murderous Redcap to Phyrexian Altar to add one mana of any color.
  2. Murderous Redcap's persist triggers, returning it to the battlefield.
  3. Murderous Redcap returns to the battlefield with a +1/+1 counter and a -1/-1 counter which cancel out.
  4. Murderous Redcap triggers, dealing 2 damage to any target.
  5. Repeat.

What the combo produces