Mitotic Slime + Nethroi, Apex of Death + Nurturing Pixie + Phyrexian Altar

Mana needed: {4}{G/W}{B}{B} plus enough mana to pay for commander tax, if applicable

WBG identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Nethroi either from your hand or from the command zone for its mutate cost by paying {4}{G/W}{B}{B}, putting it under a non-Human creature you control.
  2. Nethroi triggers, returning Nurturing Pixie and Mitotic Slime from your graveyard to the battlefield.
  3. When Nurturing Pixie enters, it triggers, returning Nethroi from the battlefield to your hand.
  4. Activate Phyrexian Altar twice by sacrificing Nurturing Pixie and Mitotic Slime, adding {B}{B}.
  5. When Mitotic Slime dies, it triggers, creating two 2/2 Ooze creature tokens.
  6. Activate Phyrexian Altar twice by sacrificing the Oozes, adding {1}{G/W}.
  7. When the Oozes die, they trigger, creating four 1/1 Ooze creature tokens.
  8. Activate Phyrexian Altar three times by sacrificing three Oozes, adding {3}.
  9. Repeat.

What the combo produces