Ghostly Flicker, Lithoform Engine, and Grim Monolith

Prerequisites

• Ghostly Flicker in hand
• Lithoform Engine on the battlefield
• Grim Monolith on the battlefield

Steps

1. Cast Ghostly Flicker by paying , targeting any two permanents
2. Holding priority, activate Grim Monolith by tapping it, adding
3. Activate Lithoform Engine's second ability by paying and tapping it, copying Ghostly Flicker, with the copy targeting Grim Monolith and Lithoform Engine
4. Resolve the copy of Ghostly Flicker, blinking Grim Monolith and Lithoform Engine
5. Repeat from step 2

Results

• Infinite magecraft triggers