At the beginning of your end step, Mahadi triggers.
Holding priority, activate Ashnod's Altar by sacrificing any creature you control, adding {C}{C}.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Win the game at the beginning of your next upkeep

Mahadi, Emporium Master

Revel in Riches

Ashnod's Altar

At the beginning of your end step, Mahadi triggers.
Holding priority, activate Viscera Seer by sacrificing any creature you control, causing you to scry 1.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Viscera Seer

At the beginning of your end step, Mahadi triggers.
Holding priority, activate Phyrexian Altar by sacrificing any creature you control, adding one mana of any color.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Phyrexian Altar

At the beginning of your end step, Mahadi triggers.
Holding priority, activate Carrion Feeder by sacrificing any creature you control, putting a +1/+1 counter on Carrion Feeder.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Carrion Feeder

At the beginning of your end step, Mahadi triggers.
Holding priority, activate Woe Strider by sacrificing any creature you control, causing you to scry 1.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Woe Strider

At the beginning of your end step, Mahadi triggers.
Holding priority, activate Altar of Dementia by sacrificing any creature you control, causing target player to mill cards equal to the creature's power.
Repeat step 2 until you control no creatures.
Resolve the Mahadi trigger from step 1, creating a Treasure token for each creature that died this turn.
At the beginning of your next upkeep, Revel in Riches triggers, causing you to win the game.

Altar of Dementia

At the beginning of your end step, Teleportation Circle and Mahadi trigger.
Resolve the Teleportation Circle trigger, blinking Myr Battlesphere.
When Myr Battlesphere enters the battlefield, its first ability triggers, creating four 1/1 Myr artifact creature tokens.
Activate Time Sieve by tapping it and sacrificing the Myrs and another artifact, causing you to take an extra turn after this one.
Resolve the Mahadi trigger, creating at least four Treasure artifact tokens.
Repeat each turn.

Combos with "Mahadi, Emporium Master"