Willow Priestess, Wirewood Symbiote, and Maskwood Nexus

Prerequisites

• Willow Priestess on the battlefield
• Wirewood Symbiote in hand
• Maskwood Nexus on the battlefield
• Willow Priestess does not have summoning sickness

Steps

1. Activate Willow Priestess' first ability by tapping it, putting Wirewood Symbiote from your hand onto the battlefield
2. Activate Wirewood Symbiote by returning it to your hand from the battlefield, untapping Willow Priestess
3. Repeat

Results

• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite storm count