Thawing Glaciers + Retreat to Coralhelm + Krosan Restorer

Thawing Glaciers

Retreat to Coralhelm

Krosan Restorer

How it works

1. Activate Thawing Glaciers by paying 1 and tapping it, searching your library for a basic land card and putting it onto the battlefield tapped.
2. The land enters the battlefield, triggering Retreat to Coralhelm, untapping Krosan Restorer.
3. Activate Krosan Restorer's second ability by tapping it, untapping Thawing Glaciers and the basic land.
4. Activate the basic land by tapping it, adding 1.
5. Repeat.