Gemstone Array, Mana Echoes, and Shrieking Drake

Prerequisites

• Gemstone Array on the battlefield
• Mana Echoes on the battlefield
• Shrieking Drake in hand
• You control at least two Drake creatures
• available

Steps

1. Cast Shrieking Drake by paying
2. When Shrieking Drake enters the battlefield, it triggers itself and Mana Echoes
3. Resolve the Mana Echoes ability, adding at least
4. Resolve Shrieking Drake's ability, returning it from the battlefield to your hand
5. Activate Gemstone Array's first ability by paying , putting a charge counter on it
6. Activate Gemstone Array's second ability by removing a charge counter from it, adding
7. Repeat any number of times
8. Once you have infinite colorless mana, you may activate Gemstone Array's abilities any number of times

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite ETB
• Infinite LTB
• Infinite storm count