Big Mother Mouser + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Phyrexian Altar

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Big Mother Mouser.
  2. When Big Mother Mouser dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. Repeat.

What the combo produces