Flitwing, Lyev Detective, Summoning Station, and Grinding Station

Prerequisites

• Flitwing, Lyev Detective on the battlefield
• Summoning Station on the battlefield
• Grinding Station on the battlefield

Steps

1. Activate Summoning Station by tapping it, creating a Clue token due to Flitwing
2. When the Clue enters, Grinding Station triggers, untapping Grinding Station
3. Activate Grinding Station by tapping it and sacrificing the Clue
4. Summoning Station triggers, untapping it
5. Resolve the Grinding Station ability, causing a player to mill three cards Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite mill
• Infinite self-mill