Necrotic Ooze, Pili-Pala, and Palladium Myr

Prerequisites

• Necrotic Ooze on the battlefield
• Pili-Pala in the graveyard
• Palladium Myr in the graveyard

Steps

1. Activate Necrotic Ooze using Palladium Myr's ability by tapping it, adding
2. Activate Necrotic Ooze using Pili-Pala's ability by paying and untapping it, adding one mana of any color
3. Repeat

Results

• Infinite colored mana
• Infinite colorless mana