Metamorphic Alteration, and Mirror-Mad Phantasm

Prerequisites

• Metamorphic Alteration on the battlefield
• Mirror-Mad Phantasm on the battlefield
• undefined available

Steps

1. Activate the creature with Metamorphic Alteration attached using Mirror-Mad Phantasm's ability by paying , causing you to shuffle the creature into your library and mill all cards from your library

Results

• Infinite self-mill