Transmutation Font, Clock of Omens, and Battered Golem

Prerequisites

• Transmutation Font on the battlefield
• Clock of Omens on the battlefield
• Battered Golem 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, Battered Golem triggers, untapping Battered Golem
3. Activate Clock of Omens by tapping the token and Battered Golem, untapping Transmutation Font
4. Repeat

Results

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