Pili-Pala, Dual Casting, and Rousing Refrain

Prerequisites

• Pili-Pala on the battlefield
• Dual Casting on the battlefield
• Rousing Refrain in hand or in exile
• plus an additional if Rousing Refrain is in your hand available

Steps

1. If Rousing Refrain is in your hand, cast it by paying its mana cost
2. Otherwise, at the beginning of your upkeep, its suspend ability will trigger, removing the final time counter from it and casting it from exile without paying its mana cost
3. Holding priority, activate Pili-Pala by paying and tapping it, copying Rousing Refrain
4. Resolve the copy of Rousing Refrain, adding at least Activate Pili-Pala by paying and untapping it, adding one mana of any color
5. Repeat from step 2

Results

• Infinite colored mana
• Infinite magecraft triggers