Isochron Scepter, Roar of the Kha, and Skilled Animator

Prerequisites

• Isochron Scepter on the battlefield
• Roar of the Kha in exile
• Skilled Animator in hand
• You control creatures that can tap to produce at least
• available

Steps

1. Cast Skilled Animator by paying
2. Skilled Animator enters the battlefield, targeting Isochron Scepter, causing it to become an artifact creature until end of turn
3. Activate creatures you control by tapping those, adding
4. Activate Isochron Scepter by paying and tapping it, casting a copy of Roar of the Kha without paying its mana cost, untapping all creatures
5. Repeat from step 3

Results

• Infinite mana creatures you control can produce
• Infinite storm count