Malcolm, Keen-Eyed Navigator, Xenograft, and Havoc Jester

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Xenograft on the battlefield
• Havoc Jester on the battlefield
• You control at least one Treasure token
• "Pirate" chosen with Xenograft

Steps

1. Activate a Treasure token by tapping and sacrificing it, adding one mana of any color
2. Havoc Jester triggers, dealing 1 damage to any target opponent
3. Malcolm triggers, creating a Treasure token
4. Repeat

Results

• Infinite damage
• Infinite sacrifice triggers