Fain, the Broker, Intruder Alarm, Pitiless Plunderer, and Viscera Seer

Prerequisites

• Fain, the Broker on the battlefield
• Intruder Alarm on the battlefield
• Pitiless Plunderer on the battlefield
• Viscera Seer on the battlefield
• undefined

Steps

1. Activate Fain's third ability by tapping it and sacrificing another artifact, creating a 2/1 Inkling creature token
2. When the Inkling enters the battlefield, Intruder Alarm triggers, untapping all creatures
3. Activate Viscera Seer by sacrificing the Inkling
4. When the Inkling dies, Pitiless Plunderer triggers, creating a Treasure token
5. Resolve the Viscera Seer ability, causing you to scry 1
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite scry 1
• Infinite mana creatures you control can produce
• Infinite untap of creatures