Initial Card State
- Guildless Commons in hand.
- All other permanents on the battlefield.
Easy Prerequisites
- You are able to play a land this turn.
Steps
- Play Guildless Commons.
- When Guildless Commons enters the battlefield, it and Retreat to Coralhelm trigger.
- Resolve the Guildless Commons trigger, returning it from the battlefield to your hand.
- Holding priority, activate Penance by putting Guildless Commons from your hand onto the top of your library.
- Resolve the Retreat to Coralhelm trigger, causing you to scry 1, ensuring to leave Guildless Commons on top of your library.
- Galadriel triggers, putting Guildless Commons 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+).