Haunt of the Dead Marshes, Ashnod's Altar, and Pitiless Plunderer

Prerequisites

• Haunt of the Dead Marshes on the battlefield
• Ashnod's Altar on the battlefield
• Pitiless Plunderer on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Haunt of the Dead Marshes, adding
2. When Haunt of the Dead Marshes dies, Pitiless Plunderer triggers, creating a Treasure token
3. Activate the Treasure by tapping and sacrificing it, adding
4. Activate Haunt of the Dead Marshes by paying , returning it from your graveyard to the battlefield
5. Repeat

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite scry 1