Mayael's Aria + Dark Depths + Thespian's Stage

Prerequisites

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Steps

1. 1Activate Thespian's Stage's second ability by paying and tapping it, causing it to become a copy of Dark Depths.
2. 2Thespian's Stage triggers, causing you to sacrifice it and create a 20/20 Marit Lage legendary creature token.
3. 3At 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.

Effects

• Win the game at the beginning of your next upkeep