Aluren, and Cloudstone Curio

Prerequisites

• Aluren on the battlefield
• Cloudstone Curio on the battlefield
• 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

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count