Rukarumel, Biologist, Malcolm, Keen-Eyed Navigator, and Ingenious Artillerist

Prerequisites

• Rukarumel, Biologist on the battlefield
• Malcolm, Keen-Eyed Navigator on the battlefield
• Ingenious Artillerist on the battlefield
• You have a way to cause an artifact to enter the battlefield under your control
• "Pirate" chosen with Rukarumel

Steps

1. Cause an artifact to enter the battlefield under your control
2. Ingenious Artillerist triggers, dealing 1 damage to each opponent
3. Malcolm triggers, creating a Treasure artifact token for each opponent dealt damage this way
4. When the Treasures enter the battlefield, Ingenious Artillerist triggers that many times
5. Resolve the first Ingenious Artillerist trigger, dealing 1 damage to each opponent
6. Repeat from step 3

Results

• Infinite colored mana
• Infinite damage
• Infinite Treasure tokens