Malcolm, Keen-Eyed Navigator, Furnace Celebration, Opalescence, Anointed Procession, and Arcane Adaptation

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Furnace Celebration on the battlefield
• Opalescence on the battlefield
• Anointed Procession on the battlefield
• Arcane Adaptation on the battlefield
• "Pirate" chosen with Arcane Adaptation
• Malcolm does not have summoning sickness
• Opponents can not block Malcolm

Steps

1. Attack with Malcolm
2. When Malcolm deals combat damage to an opponent, he triggers creating a Treasure token
3. Tap and sacrifice two Treasure tokens, adding 2 mana of any color
4. Furnace Celebration triggers twice
5. Don't pay for the first trigger
6. Pay for the second Furnace Celebration trigger, dealing 2 damage to an opponent
7. Malcolm triggers, creating two Treasure tokens
8. Repeat steps 3-7

Results

• Infinite damage