Zimone, Quandrix Prodigy, Retreat to Coralhelm, Stone-Seeder Hierophant, and Selesnya Sanctuary

Prerequisites

• Zimone, Quandrix Prodigy on the battlefield
• Retreat to Coralhelm on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Selesnya Sanctuary in hand
• available

Steps

1. Activate Zimone's first ability by paying and tapping it, putting Selesnya Sanctuary from your hand onto the battlefield
2. When Selesnya Sanctuary enters the battlefield, it, Retreat to Coralhelm and Stone-Seeder Hierophant trigger Resolve the Stone-Seeder Hierophant trigger, untapping it
3. Holding priority, activate Stone-Seeder Hierophant by tapping it, untapping Selesnya Sanctuary
4. Activate Selesnya Sanctuary by tapping it, adding
5. Resolve the Selesnya Sanctuary trigger from step 2, returning it from the battlefield to your hand
6. Resolve the Retreat to Coralhelm trigger, untapping Zimone
7. Repeat

Results

• Infinite landfall triggers
• Infinite mana lands you control can produce
• Infinite green mana
• Infinite untap of lands you control
• Infinite white mana