Myr Welder, Staff of Domination, and Relic of Sauron

Prerequisites

• Myr Welder on the battlefield
• Staff of Domination in exile
• Relic of Sauron in exile

Steps

1. Activate Myr Welder using Relic of Sauron's ability by tapping it, adding two in any combination of , and/or
2. Activate Myr Welder using Staff of Domination's first ability by paying , untapping it
3. Repeat

Results

• Infinite lifegain triggers
• Infinite lifegain
• Infinite card draw
• Infinite untap of creatures you control
• Infinite draw triggers
• Infinite mana creatures you control can produce
• Infinite red mana
• Infinite blue mana
• Infinite black mana