Malcolm, Keen-Eyed Navigator, Havoc Jester, and Artificial Evolution

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Havoc Jester on the battlefield
• Artificial Evolution in hand
• You control at least one Treasure token
• available

Steps

1. Cast Artificial Evolution by paying , changing all instances of "Pirate" on Malcolm to "Devil" until end of turn
2. Activate a Treasure token by tapping and sacrificing it, adding one mana of any color
3. Havoc Jester triggers, dealing 1 damage to any opponent
4. Malcolm triggers, creating a Treasure token
5. Repeat from step 2

Results

• Infinite colored mana
• Infinite damage