Phyrexian Ironfoot, Nyxbloom Ancient, and Song of Freyalise

Prerequisites

• Phyrexian Ironfoot on the battlefield
• Nyxbloom Ancient on the battlefield
• Song of Freyalise on the battlefield
• Song of Freyalise has one or two lore counters on it
• Phyrexian Ironfoot does not have summoning sickness

Steps

1. Activate Phyrexian Ironfoot by tapping it, adding three snow mana of any color
2. Activate Phyrexian Ironfoot by paying , untapping it
3. Repeat

Results

• Infinite colored mana
• Infinite snow mana