Dark Ritual + Greenwarden of Murasa + Grenzo, Dungeon Warden + and 2 others

Mana needed: {B}

BRG identity

Commander legal

The 5 combo pieces

What must be in place

Grenzo has power 2 or greater.

How to execute it

  1. Cast Dark Ritual by paying {B}, adding {B}{B}{B}.
  2. Activate Phyrexian Altar by sacrificing Greenwarden of Murasa, adding one mana of any color.
  3. When Greenwarden of Murasa dies, The Cauldron of Eternity triggers, putting Greenwarden of Murasa from your graveyard onto the bottom of your library.
  4. Activate Grenzo by paying {2}, putting Greenwarden of Murasa from the bottom of your library into your graveyard, and then putting it onto the battlefield.
  5. When Greenwarden of Murasa enters the battlefield, it triggers, returning Dark Ritual from your graveyard to your hand.
  6. Repeat.
  7. Once you have infinite mana, you may activate Grenzo's ability any number of times.

What the combo produces