Myr Welder, Encroaching Mycosynth, Empowered Autogenerator, and Hateflayer

Prerequisites

• Myr Welder on the battlefield
• Encroaching Mycosynth on the battlefield
• Empowered Autogenerator in exile
• Hateflayer in exile
• Myr Welder does not have summoning sickness
• available

Steps

1. Activate Myr Welder using Empowered Autogenerator's ability by tapping it, putting a charge counter on Myr Welder and adding for each charge counter on Myr Welder
2. Activate Myr Welder using Hateflayer's ability by paying and untapping it, dealing damage equal to Myr Welder's power to any target
3. Repeat

Results

• Infinite charge counters on Myr Welder
• Infinite colored mana
• Infinite damage