Mazzy, Truesword Paladin, Instill Energy, Sanctum Weaver, and Gatherer of Graces

Prerequisites

• Mazzy, Truesword Paladin on the battlefield
• Instill Energy on the battlefield
• Sanctum Weaver on the battlefield
• Gatherer of Graces on the battlefield
• Instill Energy attached to Sanctum Weaver
• You have not used Instill Energy's ability this turn

Steps

1. Activate Sanctum Weaver by tapping it, adding at least
2. Activate Instill Energy by paying , untapping Sanctum Weaver
3. Activate Gatherer of Graces by sacrificing Instill Energy
4. Mazzy's second ability triggers, exiling Instill Energy from your graveyard and allowing you to cast it until the end of your next turn
5. Resolve the Gatherer of Graces ability, regenerating it
6. Cast Instill Energy from exile by paying , attaching it to Sanctum Weaver
7. Repeat

Results

• Infinite colored mana
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control