Requires

Thawing Glaciers must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Lotus Cobra must be on the battlefield. Juniper Order Druid must be on the battlefield. Juniper Order Druid does not have summoning sickness. Mana needed:

Steps

1. Activate Thawing Glaciers by paying 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 and Lotus Cobra.
3. Resolve the Lotus Cobra trigger, adding .
4. Resolve the Retreat to Coralhelm trigger, untapping Juniper Order Druid.
5. Activate Juniper Order Druid by tapping it, untapping Thawing Glaciers.
6. Repeat.

Results