Merrow Reejerey, Shrieking Drake, and Maskwood Nexus

Prerequisites

• Merrow Reejerey on the battlefield
• Shrieking Drake in hand
• Maskwood Nexus on the battlefield
• You control a permanent that can tap to produce at least

Steps

1. Activate any permanent you control by tapping it, adding at least
2. Cast Shrieking Drake by paying
3. Merrow Reejerey triggers, untapping the mana producing permanent
4. Shrieking Drake enters the battlefield, returning itself from the battlefield to your hand
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite mana permanents you control can produce
• Infinite storm count
• Infinite untap of permanents you control