Mikaeus, the Unhallowed, Grim Poppet, and Viscera Seer

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Grim Poppet on the battlefield
• Viscera Seer on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Grim Poppet
2. Grim Poppet dies, triggering its undying ability, returning it from your graveyard to the battlefield with two -1/-1 counters on it
3. Resolve the Viscera Seer ability, causing you to scry 1
4. Repeat

Results

• Infinite -1/-1 counters
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry 1