Mayael's Aria, and Lord of Extinction

Prerequisites

• Mayael's Aria on the battlefield
• Lord of Extinction on the battlefield
• There are at least nineteen cards in all graveyards

Steps

1. At the beginning of your upkeep, Mayael's Aria triggers, causing you to put a +1/+1 counter on each creature you control, gain ten life, and win the game

Results

• Win the game at the beginning of your next upkeep