Rakdos, the Muscle, Shambling Ghast, Haunted Crossroads, Pitiless Plunderer, and Altar of Dementia

Prerequisites

• Rakdos, the Muscle on the battlefield
• Shambling Ghast on the battlefield
• Haunted Crossroads on the battlefield
• Pitiless Plunderer on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Shambling Ghast
2. When Shambling Ghast dies, it, Pitiless Plunderer and Rakdos trigger
3. Resolve the Shambling Ghast and Pitiless Plunderer triggers, creating two Treasure tokens
4. Activate the Treasures by tapping and sacrificing them, adding
5. Holding priority, activate Haunted Crossroads by paying , putting Shambling Ghast from your graveyard onto the top of your library
6. Resolve the Rakdos trigger, exiling Shambling Ghast from the top of your library with the ability to cast it until your next turn
7. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Shambling Ghast's power
8. Cast Shambling Ghast from exile by paying
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite mill
• Infinite self-mill