Mana Echoes + Spawnsire of Ulamog

Mana needed: {4}

R identity

Commander legal

The 2 combo pieces

How to execute it

  1. Activate Spawnsire of Ulamog by paying {4}, creating two 0/1 Eldrazi Spawn creature tokens.
  2. The Eldrazi Spawns enter the battlefield, triggering Mana Echoes twice, adding {C}{C} for each Eldrazi and Spawn you control.
  3. Repeat.

What the combo produces