Mayael's Aria, and Lathiel, the Bounteous Dawn

Prerequisites

• Mayael's Aria on the battlefield
• Lathiel, the Bounteous Dawn on the battlefield
• You control a creature with power nine or greater

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 and gain ten life
2. At the beginning of your end step, Lathiel triggers, putting ten +1/+1 counters on a creature you control with power ten or greater
3. At the beginning of your next 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