Appa, Steadfast Guardian + Ashnod's Altar + Chaos Shrine's Black Crystal + Eternal Scourge

Mana needed: {3}

WB identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Eternal Scourge from exile by paying {3}.
  2. Appa's second ability triggers, creating a 1/1 Ally creature token.
  3. Activate Ashnod's Altar twice by sacrificing Eternal Scourge and the Ally, adding {C}{C}{C}{C}.
  4. When Eternal Scourge dies, Chaos Shrine's Black Crystal triggers, exiling Eternal Scourge from your graveyard.
  5. Repeat.

What the combo produces