Altar of the Brood + Felidar Guardian + Spark Double

Mana needed: {3}{U}

WU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Spark Double by paying {3}{U}.
  2. Spark Double enters the battlefield as a copy of Felidar Guardian, triggering Altar of the Brood and itself.
  3. Resolve the Altar of the Brood trigger, causing each opponent to mill a card.
  4. Resolve the Spark Double's trigger, blinking Felidar Guardian.
  5. Felidar Guardian enters the battlefield, triggering Altar of the Brood and itself.
  6. Resolve the Altar of the Brood trigger, causing each opponent to mill a card.
  7. Resolve the Felidar Guardian's trigger, blinking Spark Double.
  8. Repeat from step 2.

What the combo produces