Malcolm, Keen-Eyed Navigator, Vial Smasher the Fierce, Ashnod the Uncaring, and Street Urchin

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Vial Smasher the Fierce on the battlefield
• Ashnod the Uncaring on the battlefield
• Street Urchin on the battlefield
• Vial Smasher in any zone
• Vial Smasher and You control at least one additional artifact and/or creature
• available

Steps

1. Activate Malcolm by paying and sacrificing another artifact or creature, targeting an opponent
2. Ashnod triggers, copying Malcolm's ability, targeting an opponent
3. Resolve a Malcolm ability, dealing 1 damage to an opponent
4. Malcolm triggers, creating a Treasure token
5. Repeat from step 3 one additional time
6. Activate a Treasure by tapping and sacrificing it, adding
7. Repeat

Results

• Infinite damage