Carnage Altar + Mana Echoes + Nadir Kraken

Mana needed: {3}

UR identity

Commander legal

The 3 combo pieces

What must be in place

You control at least four Tentacles.
You control at least one additional creature.

How to execute it

  1. Activate Carnage Altar by paying {3} and sacrificing a creature, causing you to draw a card.
  2. Nadir Kraken triggers, causing you to pay {1} to put a +1/+1 counter on Nadir Kraken and to create a 1/1 Tentacle creature token.
  3. The Tentacle enters the battlefield, triggering Mana Echoes, adding at least {C}{C}{C}{C}{C}.
  4. Repeat.

What the combo produces