Lathliss, Dragon Queen, Cloudstone Curio, Xenograft, and Kobolds of Kher Keep

Prerequisites

• Lathliss, Dragon Queen on the battlefield
• Cloudstone Curio on the battlefield
• Xenograft on the battlefield
• Kobolds of Kher Keep in hand
• "Dragon" chosen with Xenograft

Steps

1. Cast Kobolds of Kher Keep by paying
2. When Kobolds of Kher Keep enters the battlefield, Lathliss and Cloudstone Curio triggers
3. Resolve the Cloudstone Curio trigger, returning nothing to your hand
4. Resolve the Lathliss trigger, creating a 5/5 Dragon creature token
5. When the Dragon enters the battlefield, Cloudstone Curio triggers, returning Kobolds of Kher Keep from the battlefield to your hand
6. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite storm count