Vhal, Candlekeep Researcher, and Ringing Strike Mastery

Prerequisites

• Vhal, Candlekeep Researcher on the battlefield
• Ringing Strike Mastery on the battlefield

Steps

1. Activate Vhal by tapping it, adding at least six that can't be spend to cast spells from your hand
2. Activate Ringing Strike Mastery by paying , untapping Vhal
3. Repeat

Results

• Infinite colorless mana that can't be spent to cast spells from your hand