Ashaya, Soul of the Wild, Stone-Seeder Hierophant, Skyshroud Ranger, and Boros Garrison

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Skyshroud Ranger on the battlefield
• Boros Garrison in hand

Steps

1. Activate Skyshroud Ranger by tapping it, putting Boros Garrison onto the battlefield from your hand
2. Boros Garrison and Stone-Seeder Hierophant trigger
3. Resolve the Stone-Seeder Hierophant trigger, untapping it
4. Activate Stone-Seeder Hierophant by tapping it, untapping Skyshroud Ranger
5. Resolve the Boros Garrison trigger, returning it to your hand
6. Repeat

Results

• Infinite landfall triggers