Mirran Spy, Cloudstone Curio, Ornithopter, and Kiki-Jiki, Mirror Breaker

Prerequisites

• Mirran Spy on the battlefield
• Cloudstone Curio on the battlefield
• Ornithopter on the battlefield
• Kiki-Jiki, Mirror Breaker on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of any nonlegendary nonartifact creature you control
2. The token enters the battlefield, triggering Cloudstone Curio, returning Ornithopter from the battlefield to your hand
3. Cast Ornithopter by paying
4. Mirran Spy triggers, untapping Kiki-Jiki
5. Repeat

Results

• Infinite copies of nonlegendary nonartifact creatures you control
• Infinite creature tokens with haste
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control