Metastatic Evangel, Shrieking Drake, and Gemstone Array

Prerequisites

• Metastatic Evangel on the battlefield
• Shrieking Drake in hand
• Gemstone Array on the battlefield
• Gemstone Array has at least one charge counter on it
• available

Steps

1. Cast Shrieking Drake by paying
2. When Shrieking Drake enters the battlefield, it and Metastatic Evangel trigger
3. Resolve the Shrieking Drake trigger, returning it from the battlefield to your hand
4. Resolve the Metastatic Evangel trigger, putting a charge counter on Gemstone Array
5. Activate Gemstone Array's second ability by removing a charge counter from it, adding
6. Repeat

Results

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