Wirewood Symbiote, Mirror Entity, and Gyre Engineer

Prerequisites

• Wirewood Symbiote in hand
• Mirror Entity on the battlefield
• Gyre Engineer on the battlefield
• Gyre Engineer does not have summoning sickness

Steps

1. Activate Gyre Engineer by tapping it, adding
2. Cast Wirewood Symbiote by paying
3. Activate Mirror Entity by paying , giving creatures you control all creature types and base power and toughness 1/1 until end of turn
4. Activate Wirewood Symbiote by returning it from the battlefield to your hand, untapping Gyre Engineer
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count