Anticausal Vestige, Cloudstone Curio, and Evil Twin

Prerequisites

• Anticausal Vestige on the battlefield
• Cloudstone Curio on the battlefield
• Evil Twin in hand
• available

Steps

1. Cast Evil Twin by paying its mana cost
2. Choose to have it enter as a copy of Anticausal Vestige
3. When Evil Twin enters, Cloudstone Curio triggers, returning Anticausal Vestige from the battlefield to your hand
4. When Anticausal Vestige leaves the battlefield, it triggers, causing you to draw a card and and put Anticausal Vestige from your hand onto the battlefield
5. When Anticausal Vestige enters, Cloudstone Curio triggers, returning Evil Twin from the battlefield to your hand
6. When Evil Twin leaves the battlefield, it triggers, causing you to draw a card and put Evil Twin from your hand onto the battlefield as a copy of Anticausal Vestige
7. Repeat from step 2

Results

• Infinite card draw
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite storm count
• Near-infinite LTB