Ashnod's Altar + Spawnsire of Ulamog

Mana needed: {4}

C identity

Commander legal

The 2 combo pieces

How to execute it

  1. Activate Spawnsire of Ulamog's first abiltiy by paying {4}, create two 0/1 Eldrazi Spawn creature tokens.
  2. Activate Ashnod's Altar twice by sacrificing two Eldrazi Spawn tokens, adding {C}{C}{C}{C}.
  3. Repeat.

What the combo produces