How it works
Prerequisites
- Willow Priestess does not have summoning sickness.
Steps
- 1Activate Willow Priestess' first ability by tapping it, putting Wirewood Symbiote from your hand onto the battlefield.
- 2Activate Wirewood Symbiote by returning it to your hand from the battlefield, untapping Willow Priestess.
- 3Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?