Requires

Steps

1. Activate Clock of Omens by tapping Scaretiller and another artifact, targeting Scaretiller.
2. Scaretiller triggers, returning Terramorphic Expanse from your graveyard to the battlefield.
3. Terramorphic Expanse enters the battlefield, triggering Toggo and Amulet of Vigor.
4. Resolve the Toggo trigger, creating a Rock equipment token.
5. Resolve the Amulet of Vigor trigger, untapping Terramorphic Expanse.
6. Resolve the Clock of Omens ability from step 1, untapping Scaretiller.
7. Activate Terramorphic Expanse by tapping and sacrificing it, causing you to search your library for a basic land and put it onto the battlefield tapped.
8. If you put a land onto the battlefield this way, Toggo triggers, creating a Rock equipment token.
9. Repeat.

Results