Ashaya, Soul of the Wild, Stone-Seeder Hierophant, Serra's Sanctum, and Whitemane Lion

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Serra's Sanctum on the battlefield
• Whitemane Lion in hand

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite mana lands you control can produce
• Infinite green mana
• Infinite landfall triggers
• Infinite untap of lands you control
• Infinite white mana
• Infinite untap of nontoken creatures you control
• Infinite mana nontoken creatures you control can produce