Prerequisites
- Retreat to Coralhelm on the battlefield
- Cloudstone Curio on the battlefield
- Skyshroud Ranger on the battlefield
Steps
- Activate Skyshroud Ranger by tapping it, putting a nonartifact land from your hand onto the battlefield
- When the land enters the battlefield, Retreat to Coralhelm and Cloudstone Curio trigger
- Resolve the Retreat to Coralhelm trigger, untapping Skyshroud Ranger
- Resolve the Cloudstone Curio trigger, returning any other nonartifact land from the battlefield to your hand
- If the land entered untapped and can produce mana, you may activate it by tapping it, adding at least
- Repeat
Results
- Infinite landfall triggers
- Infinite mana lands you control that enter the battlefield untapped can produce
Required Cards 3
Retreat to Coralhelm
Enchantment
Skyshroud Ranger
Creature — Elf Ranger