Inspired Skypainter // Maestro's Gift, Molten-Core Maestro, and Energy Refractor

Prerequisites

• Inspired Skypainter // Maestro's Gift on the battlefield
• Molten-Core Maestro on the battlefield
• Energy Refractor on the battlefield
• available

Steps

1. Cast a copy of Maestro's Gift from exile by paying
2. When you cast that spell, Molten-Core Maestro triggers, putting a +1/+1 counter on itself and adding an amount of equal to its power
3. Maestro's Gift resolves, creating a copy of Inspired Skypainter who enters prepared and with haste
4. If needed, activate Energy Refractor by paying , adding Repeat, adding an ever-increasing amount of in step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite colored mana
• Infinite copies of a specific creature with haste
• Infinite magecraft triggers
• Infinite storm count