Marneus Calgar + Nadir Kraken + Phyrexian Altar

Mana needed: {1}

WUB identity

Commander legal

The 3 combo pieces

What must be in place

You have a way to draw a card.

How to execute it

  1. Draw a card.
  2. Nadir Kraken triggers, causing you to pay {1} to put a +1/+1 counter on it and create a 1/1 Tentacle creature token.
  3. The Tentacle enters the battlefield, triggering Marneus.
  4. Holding priority, activate Phyrexian Altar by sacrificing the Tentacle, adding {1}.
  5. Resolve the Marneus trigger, causing you to draw a card.
  6. Repeat from step 2.

What the combo produces