Trazyn the Infinite, Scuttling Sliver, Coveted Jewel, and Runed Stalactite

Prerequisites

• Trazyn the Infinite on the battlefield
• Scuttling Sliver on the battlefield
• Coveted Jewel in the graveyard
• Runed Stalactite on the battlefield

Steps

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

Results

• Infinite colored mana