Activate Willow Priestess' first ability by tapping it, putting Scryb Ranger from your hand onto the battlefield.
Activate Scryb Ranger by returning itself to your hand, untapping Willow Priestess.
Repeat.

Infinite ETB

Infinite landfall triggers

Infinite LTB

Ashaya, Soul of the Wild

Scryb Ranger

Willow Priestess

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

Infinite mana creatures you control can produce

Infinite storm count

Wirewood Symbiote

Maskwood Nexus

Combos with "Willow Priestess"