Iridescent Tiger, Cloudstone Curio, and Elesh Norn, Mother of Machines

Prerequisites

• Iridescent Tiger in hand
• Cloudstone Curio on the battlefield
• Elesh Norn, Mother of Machines on the battlefield
• undefined available

Steps

1. Cast Iridescent Tiger by paying
2. When Iridescent Tiger enters the battlefield, it and Cloudstone Curio trigger twice
3. Resolve the Iridescent Tiger triggers, adding
4. Resolve the first Cloudstone Curio trigger, returning a nontoken nonartifact creature that can be cast using at most six in any combination of mana from the battlefield to your hand
5. Resolve the second Cloudstone Curio trigger, choosing to return nothing to your hand
6. Cast the creature returned to your hand by paying its mana cost
7. When the creature enters the battlefield, Cloudstone Curio triggers twice, returning Iridescent Tiger from the battlefield to your hand with the first trigger and returning nothing with the second trigger
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite storm count