Malcolm, Keen-Eyed Navigator, Rukarumel, Biologist, and HYDRA Assault Robot

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Rukarumel, Biologist on the battlefield
• HYDRA Assault Robot on the battlefield

Steps

1. Cause an artifact to enter the battlefield under your control
2. HYDRA Assault Robot triggers, dealing 1 damage to target opponent
3. Malcolm triggers, as HYDRA Assault Robot is a Pirate due to Rukarumel, creating a Treasure token When the Treasure enters, HYDRA Assault Robot triggers, dealing 1 damage to target opponent
4. Repeat from step 3

Results

• Infinite Treasure tokens
• Infinite colored mana
• Infinite damage