Anticausal Vestige, Cloudstone Curio, and Omni-Changeling

Prerequisites

• Anticausal Vestige on the battlefield
• Cloudstone Curio on the battlefield
• Omni-Changeling in hand
• available

Steps

1. Cast Omni-Changeling by paying its mana cost
2. Choose to have it enter as a copy of Anticausal Vestige
3. When Omni-Changeling 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 Omni-Changeling from the battlefield to your hand
6. When Omni-Changeling leaves the battlefield, it triggers, causing you to draw a card and put Omni-Changeling from your hand onto the battlefield as a copy of Anticausal Vestige
7. Repeat from step 2

Results

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