Trazyn the Infinite, Scuttling Sliver, Thran Dynamo, and Runed Stalactite

Prerequisites

• Trazyn the Infinite on the battlefield
• Scuttling Sliver on the battlefield
• Thran Dynamo in the graveyard
• Runed Stalactite on the battlefield

Steps

1. Activate Trazyn using Thran Dynamo's ability by tapping it, adding three mana of any color
2. Activate Trazyn by paying , untapping it
3. Repeat

Results

• Infinite colorless mana