Cloudstone Curio, and Dracogenesis

Prerequisites

• Cloudstone Curio on the battlefield
• Dracogenesis on the battlefield
• undefined

Steps

1. Cast the Dragon in your hand without paying its mana cost
2. When the Dragon enters the battlefield, Cloudstone Curio triggers, returning another nontoken Dragon from the battlefield to your hand
3. Repeat

Results

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