Trostani, Selesnya's Voice, Serra Avatar, and Sanguine Bond

Prerequisites

• Trostani, Selesnya's Voice on the battlefield
• Serra Avatar in hand
• Sanguine Bond on the battlefield
• Your life total is higher than or equal to an opponent's
• available

Steps

1. Cast Serra Avatar by paying
2. Serra Avatar enters the battlefield, triggering Trostani, causing you to gain life equal to Serra Avatar's toughness
3. Sanguine Bond triggers, causing target opponent whose lifetotal is less than or equal to Serra Avatar's toughness to lose life equal to the life you gained
4. The opponent loses the game due to having zero or less life

Results

• Near-infinite lifegain
• Near-infinite lifeloss for target opponent
• Target opponent loses the game