Rhet-Tomb Mystic, New Perspectives, and Shambling Shell

Prerequisites

• Rhet-Tomb Mystic on the battlefield
• New Perspectives on the battlefield
• Shambling Shell in hand
• You have at least seven cards in hand

Steps

1. Activate Shambling Shell's cycling ability by paying and discarding it, causing you to mill a number of cards and return Shambling Shell from your graveyard to your hand due to its dredge ability
2. Repeat

Results

• Infinite self-mill