Flitwing, Lyev Detective, Ulvenwald Mysteries, and Defiant Salvager

Prerequisites

• Flitwing, Lyev Detective on the battlefield
• Ulvenwald Mysteries on the battlefield
• Defiant Salvager on the battlefield

Steps

1. Activate Defiant Salvager by sacrificing a Clue
2. Ulvenwald Mysteries' second ability triggers, creating a Clue token due to Flitwing
3. Resolve the Defiant Salvager ability, putting a +1/+1 counter on Defiant Salvager Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers