Mayael's Aria, Dark Depths, and Solemnity

Prerequisites

• Mayael's Aria on the battlefield
• Dark Depths in hand
• Solemnity on the battlefield

Steps

1. Play Dark Depths, which enters with zero ice counters due to Solemnity
2. Dark Depths triggers, causing you to sacrifice it and create a 20/20 Marit Lage legendary creature token
3. At the beginning of your next upkeep, Mayael's Aria triggers, causing you to gain ten life and win the game

Results

• Win the game at the beginning of your next upkeep