Arid Archway + Llanowar Scout + Retreat to Coralhelm

GU identity

Commander legal

The 3 combo pieces

• Arid Archway
• Llanowar Scout
• Retreat to Coralhelm

How to execute it

1. Activate Llanowar Scout by tapping it, putting Arid Archway from your hand onto the battlefield.
2. When Arid Archway enters the battlefield, it and Retreat to Coralhelm trigger.
3. Resolve the Arid Archway trigger, returning itself from the battlefield to your hand.
4. Resolve the Retreat to Coralhelm trigger, untapping Llanowar Scout.
5. Repeat.

What the combo produces

• Infinite landfall triggers