Myojin of Cryptic Dreams, and Deepglow Skate

Prerequisites

• Myojin of Cryptic Dreams on the battlefield
• Deepglow Skate in hand
• Myojin of Cryptic Dreams has at least two indestructible counters on it
• available

Steps

1. Cast Deepglow Skate by paying its mana cost
2. Holding priority, activate Myojin by removing an indestructible counter from it, copying the Deepglow Skate spell three times
3. Resolve the first Deepglow Skate spell
4. When the Deepglow Skate token enters the battlefield, it triggers, putting an indestructible counter on Myojin
5. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinite proliferate
• Infinite copies of any permanent spells you control