Clock of Omens, Biotransference, and Warchanter Skald

Prerequisites

• Clock of Omens on the battlefield
• Biotransference on the battlefield
• Warchanter Skald on the battlefield
• Warchanter Skald has at least one Aura and/or Equipment attached

Steps

1. Activate Clock of Omens by tapping Warchanter Skald and another artifact, targeting Warchanter Skald
2. Warchanter Skald triggers, creating a 2/1 Dwarf Berserker creature token that is also an artifact due to Biotransference
3. Resolve the Clock of Omens ability, untapping Warchanter Skald
4. Repeat

Results

• Infinite ETB
• Infinite tapped creature tokens