Avenging Druid + Hermetic Study + Retreat to Coralhelm

GU identity

Commander legal

The 3 combo pieces

• Avenging Druid
• Hermetic Study
• Retreat to Coralhelm

What must be in place

Avenging Druid does not have summoning sickness.
Hermetic Study 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

• Infinite self-mill
• Near-infinite damage
• Near-infinite landfall triggers
• Put all lands from your library onto the battlefield