Cavern Harpy + Crystalline Crawler + Dancing from Dark to Dawn

Mana needed: {U}{B}

BGU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Cavern Harpy by paying its mana cost.
  2. Dancing from Dark to Dawn's first ability triggers, putting two +1/+1 counters on Crystalline Crawler.
  3. Resolve the Cavern Harpy spell. When it enters, it triggers, returning itself from the battlefield to your hand.
  4. Activate Crystalline Crawler twice by removing two +1/+1 counters from it, adding {U}{B}
  5. Repeat.

What the combo produces