Transmutation Font, Clock of Omens, and Grinding Station

Prerequisites

• Transmutation Font on the battlefield
• Clock of Omens on the battlefield
• Grinding Station on the battlefield

Steps

1. Activate Transmutation Font's first ability by tapping it, creating your choice of a Clue, Food or Blood artifact token
2. When the token enters the battlefield, Grinding Station triggers, untapping Grinding Station, Activate Clock of Omens by tapping the token and Grinding Station, untapping Transmutation Font
3. Repeat

Results

• Infinite tapped Food tokens
• Infinite tapped Clue tokens
• Infinite tapped Blood tokens