Illusionist's Bracers attached to Voltaic Construct.
Scaretiller does not have summoning sickness.
Steps
1Activate Scaretiller by tapping it, adding .
2Scaretiller triggers, returning Cabaretti Courtyard from your graveyard to the battlefield tapped.
3Cabaretti Courtyard enters the battlefield, causing you to sacrifice it and search your library for a basic Plains, Mountain or Forest and put it onto the battlefield tapped.
4Activate Voltaic Construct by paying , targeting Scaretiller.