Shrieking Drake, Inexorable Tide, and Pentad Prism

Prerequisites

• Shrieking Drake in hand
• Inexorable Tide on the battlefield
• Pentad Prism on the battlefield
• Pentad Prism has at least one charge counter on it
• available

Steps

1. Cast Shrieking Drake by paying
2. Inexorable Tide triggers, putting a charge counter on Pentad Prism
3. When Shrieking Drake enters the battlefield, it triggers, returning itself from the battlefield to your hand
4. Activate Pentad Prism by removing a charge counter from it, adding
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite storm count