Anointed Procession + Phyrexian Altar + Summon the School

Mana needed: {3}{W}

W identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Summon the School for {3}{W}, creating four Merfolk creature tokens.
  2. Activate Summon the School by tapping four untapped Merfolk, returning it to your hand.
  3. Activate Phyrexian Altar by sacrificing a Merfolk token, adding one mana of any color.
  4. Repeat step 3 an additional three times.
  5. Repeat.

What the combo produces