Dross Scorpion, Detective's Satchel, and Viscera Seer

Prerequisites

• Dross Scorpion on the battlefield
• Detective's Satchel on the battlefield
• Viscera Seer on the battlefield

Steps

1. Activate Detective's Satchel by tapping it, creating a 1/1 Thopter artifact creature token
2. Activate Viscera Seer by sacrificing the Thopter
3. When the Thopter dies, Dross Scorpion triggers, untapping Detective's Satchel
4. Resolve the Viscera Seer ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite scry 1