Malcolm, Keen-Eyed Navigator, Reckless Fireweaver, and Runed Stalactite

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Reckless Fireweaver on the battlefield
• Runed Stalactite on the battlefield
• Runed Stalactite attached to Reckless Fireweaver
• You have a way to cause an artifact to enter the battlefield under your control

Steps

1. Cause an artifact to enter the battlefield under your control
2. Reckless Fireweaver triggers, dealing 1 damage to an opponent
3. Malcolm triggers, creating a Treasure token
4. Repeat from step 2

Results

• Infinite colored mana
• Infinite damage
• Infinite Treasure tokens