Myr Welder, Gilder Bairn, Empowered Autogenerator, and Mycosynth Lattice

Prerequisites

• Myr Welder on the battlefield
• Gilder Bairn in exile
• Empowered Autogenerator in exile
• Mycosynth Lattice on the battlefield

Steps

1. Activate Myr Welder using Empowered Autogenerator's ability by tapping it, putting a charge counter on it and adding one mana for each charge counter on it
2. Activate Myr Welder using Gilder Bairn's ability by paying and untapping it, targeting any permanent
3. Repeat

Results

• Infinite charge counters on a permanent
• Infinite colored mana
• Infinite proliferate for permanents