Galadriel of Lothlórien + Retreat to Coralhelm + Penance + Simic Growth Chamber

Galadriel of Lothlórien

Retreat to Coralhelm

Penance

Simic Growth Chamber

How it works

1. Play Simic Growth Chamber.
2. When Simic Growth Chamber enters the battlefield, it and Retreat to Coralhelm trigger.
3. Resolve the Simic Growth Chamber trigger, returning it from the battlefield to your hand.
4. Holding priority, activate Penance by putting Simic Growth Chamber from your hand onto the top of your library.
5. Resolve the Retreat to Coralhelm trigger, causing you to scry 1, ensuring to leave Simic Growth Chamber on top of your library.
6. Galadriel triggers, putting Simic Growth Chamber from the top of your library onto the battlefield tapped.
7. Repeat from step 2.