Shrieking Drake, and Chakram Retriever

Prerequisites

• Shrieking Drake in hand
• Chakram Retriever on the battlefield

Steps

1. Activate any creature by tapping it, adding at least
2. Cast Shrieking Drake by paying
3. Chakram Retriever triggers, untapping the mana-producing creature
4. Shieking Drake enters the battlefield, returning itself from the battlefield to your hand
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite mana creatures you control can produce
• Infinite storm count