Aluren, Cloudstone Curio, and Ferocious Pup

Prerequisites

• Aluren on the battlefield
• Cloudstone Curio on the battlefield
• Ferocious Pup in hand
• undefined

Steps

1. Cast any nonartifact creature with mana value three or less from your hand by paying due to Aluren
2. When the creature enters the battlefield, Cloudstone Curio triggers, returning another nontoken nonartifact creature with mana value three or less
3. Repeat
4. Cast Ferocious Pup by paying due to Aluren
5. When Ferocious Pup enters the battlefield, it and Cloudstone Curio trigger
6. Resolve the Cloudstone Curio trigger, returning nothing from the battlefield to your hand
7. Resolve the Ferocious Pup trigger, creating a 2/2 Wolf creature token
8. When the Wolf enters the battlefield, Cloudstone Curio triggers, returning Ferocious Pup from the battlefield to your hand
9. Repeat

Results

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