Ashaya, Soul of the Wild, Pili-Pala, and Heartstone

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Pili-Pala on the battlefield
• Heartstone on the battlefield

Steps

1. Activate Pili-Pala's ability from Ashaya by tapping it, adding
2. Activate Pili-Pala by paying and untapping it, adding
3. Repeat

Results

• Infinite colored mana