Flitwing, Lyev Detective, Ulvenwald Mysteries, and Krark-Clan Ironworks

Prerequisites

• Flitwing, Lyev Detective on the battlefield
• Ulvenwald Mysteries on the battlefield
• Krark-Clan Ironworks on the battlefield

Steps

1. Activate Krark-Clan Ironworks by sacrificing a Clue, adding Ulvenwald Mysteries' second ability triggers, creating a Clue token due to Flitwing
2. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite card draw
• Infinite colorless mana
• Infinite draw triggers