Horobi, Death's Wail, Revel in Riches, and Hex Parasite

Prerequisites

• Horobi, Death's Wail on the battlefield
• Revel in Riches on the battlefield
• Hex Parasite on the battlefield
• available

Steps

1. Activate Hex Parasite by paying , targeting any creature an opponent controls
2. Horobi triggers, destroying that creature
3. When the creature dies, Revel in Riches' first ability triggers, creating a Treasure token
4. Activate the Treasure by tapping and sacrificing it, adding
5. Repeat
6. You may also repeat this loop whenever a creature enters the battlefield under an opponent's control

Results

• Destroy all creatures that enter the battlefield under an opponent's control
• Destroy any number of creatures opponents control