Sydri, Galvanic Genius, Pemmin's Aura, and Pyramid of the Pantheon

Prerequisites

• Sydri, Galvanic Genius on the battlefield
• Pemmin's Aura in hand
• Pyramid of the Pantheon on the battlefield
• Pyramid of the Pantheon does not have summoning sickness
• Pyramid of the Pantheon has at least three brick counters
• available

Steps

1. Activate Sydri by paying , causing Pyramid of the Pantheon to become an artifact creature until end of turn
2. Cast Pemmin's Aura by paying , enchanting Pyramid of the Pantheon
3. Activate Pyramid of the Pantheon by tapping it, adding
4. Activate Pemmin's Aura by paying , untapping Pyramid of the Pantheon
5. Repeat from step 2

Results

• Infinite colored mana