Pili-Pala, Dual Casting, and Battle Hymn

Prerequisites

• Pili-Pala on the battlefield
• Dual Casting on the battlefield
• Battle Hymn in hand
• available

Steps

1. Cast Battle Hymn by paying its mana cost
2. Holding priority, activate Pili-Pala by paying and tapping it, copying Battle Hymn
3. Resolve the copy of Battle Hymn, 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