Goblin Warrens + Mana Echoes + Phyrexian Altar

Mana needed: {2}{R}

R identity

Commander legal

The 3 combo pieces

What must be in place

You control at least two Goblins.

How to execute it

  1. Activate Goblin Warrens by paying {2}{R} and sacrificing two Goblins, creating three 1/1 Goblin creature tokens.
  2. When the Goblins enter the battlefield, Mana Echoes triggers three times, adding {C}{C}{C} for each Goblin you control.
  3. Activate Phyrexian Altar by sacrificing a Goblin, adding {R}.
  4. Repeat.

What the combo produces