Vhal, Candlekeep Researcher, Scuttling Sliver, and Maskwood Nexus

Prerequisites

• Vhal, Candlekeep Researcher on the battlefield
• Scuttling Sliver on the battlefield
• Maskwood Nexus on the battlefield
• Vhal does not have summoning sickness

Steps

1. Activate Vhal by tapping it, adding at least that cannot be spent to cast spells from your hand
2. Activate Vhal by paying , untapping it
3. Repeat

Results

• Infinite colorless mana that cannot be spent to cast spells from your hand
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control