Filigree Sages, Territory Forge, and Nykthos, Shrine to Nyx

Prerequisites

• Filigree Sages on the battlefield
• Territory Forge on the battlefield
• Nykthos, Shrine to Nyx in exile
• Nykthos exiled by Territory Forge
• Your devotion to blue is at least six
• available

Steps

1. Activate Territory Forge using Nykthos' second ability by paying and tapping it, adding at least six
2. Activate Filigree Sages by paying , untapping Territory Forge
3. Repeat

Results

• Infinite mana among colors with which you have devotion
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control