Mirrodin Besieged, and Morality Shift

Prerequisites

• Mirrodin Besieged on the battlefield
• Morality Shift in hand
• "Phyrexian" chosen with Mirrodin Besieged
• There are at least fifteen artifact cards in library
• You have at least one card in your graveyard
• available

Steps

1. Cast Morality Shift by pying , exchanging your graveyard and library
2. At the beginning of your end step, Mirrodin Besieged triggers, causing you to loot, and then causing target opponent to lose the game

Results

• Near-infinite self-mill
• Target opponent loses the game