Malcolm, Keen-Eyed Navigator, Niv-Mizzet, the Firemind, Quicksmith Genius, and Xenograft

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Niv-Mizzet, the Firemind on the battlefield
• Quicksmith Genius on the battlefield
• Xenograft on the battlefield
• You have a way to draw a card
• "Pirate" chosen with Xenograft

Steps

1. Draw a card
2. Niv-Mizzet triggers, dealing 1 damage to an opponent
3. Malcom triggers, creating a Treasure token
4. The Treasure enters the battlefield, triggering Quicksmith Genius, causing you to loot
5. Repeat from step 2

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite colored mana
• Near-infinite damage
• Near-infinite Treasure tokens