Malcolm, Keen-Eyed Navigator, Street Urchin, and Urza, Lord High Artificer

Prerequisites

• Malcolm, Keen-Eyed Navigator on the battlefield
• Street Urchin on the battlefield
• Urza, Lord High Artificer on the battlefield
• You control your commander, and your commander is a Pirate
• You control at least one additional creature or artifact
• available

Steps

1. Activate your commander by paying and sacrificing another creature or artifact, dealing 1 damage to an opponent
2. Malcolm triggers, creating a Treasure token
3. Activate Urza's first ability by tapping the Treasure, adding
4. Repeat

Results

• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain
• Infinite card draw
• Infinite blue mana
• Infinite draw triggers
• Cast all cards in your library without paying their mana costs
• Infinite Clue tokens
• Infinite Food tokens
• Exile your library