Ashnod's Altar + Marrow-Gnawer + Sword of the Paruns

B identity

Commander legal

The 3 combo pieces

What must be in place

Sword of Paruns attached to Marrow-Gnawer.
Marrow-Gnawer does not have summoning sickness.
You control at least three additional Rats.

How to execute it

  1. Activate Marrow-Gnawer by tapping it and sacrificing another Rat, creating at least three 1/1 Rat creature tokens.
  2. Activate Ashnod's Altar twice by sacrificing two Rat tokens, adding {C}{C}{C}{C}.
  3. Activate Sword of Paruns by paying {3}, untapping Marrow-Gnawer.
  4. Repeat.

What the combo produces