Trostani, Selesnya's Voice, Soul of Eternity, and Sanguine Bond

Prerequisites

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

Steps

1. Cast Soul of Eternity by paying
2. Soul of Eternity enters the battlefield, triggering Trostani, causing you to gain life equal to Soul of Eternity's toughness
3. Sanguine Bond triggers, causing target opponent whose lifetotal is less than or equal to Soul of Eternity'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