Gravecrawler, Pitiless Plunderer, and Night of Souls' Betrayal

Prerequisites

• Gravecrawler in the graveyard
• Pitiless Plunderer on the battlefield
• Night of Souls' Betrayal on the battlefield
• You control at least one additional Zombie
• available

Steps

1. Cast Gravecrawler from your graveyard by paying
2. Gravecrawler enters the battlefield as a 1/0 due to Night of Souls' Betrayal, and dies as a state-based action due to having zero toughness
3. Pitiless Plunderer triggers, creating a Treasure token
4. Activate the Treasure by tapping and sacrificing it, adding
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count