Avenging Druid + Retreat to Coralhelm + Viridian Longbow

GU identity

Commander legal

The 3 combo pieces

What must be in place

Avenging Druid does not have summoning sickness.
Viridian Longbow attached to Avenging Druid.

How to execute it

  1. Activate Avenging Druid by tapping it, dealing 1 damage to an opponent.
  2. Avenging Druid triggers, causing you to reveal a land card from your library and put it onto the battlefield, and put all other cards revealed this way into your graveyard.
  3. When the land enters the battlefield, Retreat to Coralhelm triggers, untapping Avenging Druid.
  4. Repeat until no lands remain in your library and/or your library is empty.

What the combo produces