Anticausal Vestige, Cloudstone Curio, and Quicksilver Gargantuan

Prerequisites

• Anticausal Vestige on the battlefield
• Cloudstone Curio on the battlefield
• Quicksilver Gargantuan in hand
• available

Steps

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