Pili-Pala, Dual Casting, and Brightstone Ritual

Prerequisites

• Pili-Pala on the battlefield
• Dual Casting on the battlefield
• Brightstone Ritual in hand
• available

Steps

1. Cast Brightstone Ritual by paying its mana cost
2. Holding priority, activate Pili-Pala by paying and tapping it, copying Brightstone Ritual
3. Resolve the copy of Brightstone Ritual, adding at least Activate Pili-Pala by paying and untapping it, adding one mana of any color
4. Repeat from step 2

Results

• Infinite colored mana
• Infinite magecraft triggers