Phage the Untouchable, Avacyn, Angel of Horror, and Switcheroo

Prerequisites

• Phage the Untouchable on the battlefield
• Avacyn, Angel of Horror on the battlefield
• Switcheroo in hand
• available

Steps

1. Donate control of Avacyn to an opponent using Switcheroo
2. Kill Phage by any method
3. At the beginning of the next end step, Avacyn triggers, returning Phage from your graveyard to the battlefield under the opponent's control
4. When Phage enters, its first ability triggers, causing the opponent to lose the game

Results

• Target opponent loses the game