Scuttling Sliver, Nyxbloom Ancient, and Gemhide Sliver

Prerequisites

• Scuttling Sliver on the battlefield
• Nyxbloom Ancient on the battlefield
• Gemhide Sliver on the battlefield
• You control a Sliver that does not have summoning sickness

Steps

1. Activate a Sliver you control by tapping it, adding three mana of any color
2. Activate the Sliver by paying , untapping it
3. Repeat

Results

• Infinite colored mana
• Infinite untap of Slivers you control