Requires

Mayael's Aria must be on the battlefield. Devilish Valet must be on the battlefield. Call the Coppercoats must be in hand. Opponents control at least five creatures. Mana needed: , plus an additional for each opponent as needed

Steps

1. At the beginning of your upkeep, Mayael's Aria triggers.
2. Holding priority, cast Call the Coppercoats by paying , plus any number of times as necessary, targeting any opponent(s) who collectively control five or more creatures.
3. Resolve Call the Coppercoats, creating at least five 1/1 Human Soldier creature tokens.
4. When the Human Soldiers enter the battlefield, Devilish Valet triggers that many times, doubling its power that many times, causing its power to be at least 32 until end of turn.
5. Resolve the Mayael's Aria trigger, causing you to put a +1/+1 counter on each creature you control, gain 10 life and win the game.

Results