Traumatize, and Keening Stone

Prerequisites

• Traumatize in hand
• Keening Stone on the battlefield
• undefined available

Steps

1. Cast Traumatize by paying , causing an opponent to mill half their library, rounded down
2. Activate Keening Stone by paying and tapping it, causing the opponent to mill cards equal to the number of cards in their graveyard, thus milling the rest of their library

Results

• Infinite mill for target opponent