Supreme Inquisitor, Stonybrook Schoolmaster, and Intruder Alarm

Prerequisites

• Supreme Inquisitor on the battlefield
• Stonybrook Schoolmaster on the battlefield
• Intruder Alarm on the battlefield
• You control at least five Wizards

Steps

1. Activate Supreme Inquisitor by tapping it, Stonybrook Schoolmaster, and any other three Wizards you control
2. Stonybrook Schoolmaster triggers, creating a 1/1 Merfolk Wizard creature token
3. When the Merfolk Wizard enters the battlefield, Intruder Alarm triggers, untapping all creatures
4. Resolve the Supreme Inquisitor ability, causing you to search a player's library for five cards and exile them
5. Repeat

Results

• Exile each opponent's library
• Exile your library
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of all creatures