Agatha of the Vile Cauldron + Defiant Greatmaw + Phyrexian Altar + Reaping Willow

Mana needed: {W/B}

BRGW identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Reaping Willow by paying {W/B} due to Agatha of the Vile Cauldron and removing two counters from it, returning Defiant Greatmaw from your graveyard to the battlefield.
  2. When Defiant Greatmaw enters, it triggers, putting two -1/-1 counters on Reaping Willow.
  3. Activate Phyrexian Altar by sacrificing Defiant Greatmaw, adding {W/B}.
  4. Repeat.

What the combo produces