Great Whale + Nim Deathmantle + Phyrexian Altar

U identity

Commander legal

The 3 combo pieces

What must be in place

You control up to seven lands that can tap to produce at least {3}.

How to execute it

  1. Activate up to seven lands by tapping them, adding at least {3}.
  2. Activate Phyrexian Altar by sacrificing Great Whale, adding one mana of any color.
  3. When Great Whale dies, Nim Deathmantle triggers, returning Great Whale from your graveyard to the battlefield, and attaching Nim Deathmantle to it.
  4. When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
  5. Repeat.
  6. If the lands can tap to produce at least {4}, this combo nets infinite mana.

What the combo produces