Prototype Portal + Clock of Omens + Grinding Station + Tree of Tales

Prototype Portal

Clock of Omens

Grinding Station

Tree of Tales

How it works

1. Activate Prototype Portal by paying 0 and tapping it, creating a token copy of Tree of Tales.
2. The Tree of Tales token enters, triggering Grinding Station, untapping Grinding Station.
3. Activate Clock of Omens by tapping the Tree of Tales token and Grinding Station, untapping Prototype Portal.
4. Repeat.