Ashaya, Soul of the Wild, Stone-Seeder Hierophant, Karoo, and Whitemane Lion

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Karoo on the battlefield
• Whitemane Lion in hand

Steps

1. Activate Karoo by tapping it, adding Cast Whitemane Lion by paying its mana cost
2. When Whitemane Lion enters as a land due to Ashaya, it and Stone-Seeder Hierophant trigger
3. Resolve the Whitemane Lion trigger, returning it from your graveyard to the battlefield
4. Resolve the Stone-Seeder Hierophant trigger, untapping it
5. Activate Stone-Seeder Hierophant by tapping it, untapping Karoo
6. Repeat

Results

• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite storm count