Initial Card State
- Arid Archway in hand.
- All other permanents on the battlefield.
Easy Prerequisites
- You are able to play a land this turn.
Steps
- Play Arid Archway.
- When Arid Archway enters the battlefield, it and Retreat to Coralhelm trigger.
- Resolve the Arid Archway trigger, returning it from the battlefield to your hand.
- Holding priority, activate Penance by putting Arid Archway from your hand onto the top of your library.
- Resolve the Retreat to Coralhelm trigger, causing you to scry 1, ensuring to leave Arid Archway on top of your library.
- Galadriel triggers, putting Arid Archway from the top of your library onto the battlefield tapped.
- Repeat from step 2.
Results
- Infinite landfall triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).