Mahadi, Emporium Master, Revel in Riches, and Phyrexian Altar

Prerequisites

• Mahadi, Emporium Master on the battlefield
• Revel in Riches on the battlefield
• Phyrexian Altar on the battlefield
• You control at least ten in any combination of Treasures and/or creatures

Steps

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

Results

• Win the game at the beginning of your next upkeep