Mikaeus, the Unhallowed, Cinderhaze Wretch, and Viscera Seer

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Cinderhaze Wretch on the battlefield
• Viscera Seer on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Cinderhaze Wretch
2. Cinderhaze Wretch dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it
3. Resolve the Viscera Seer ability, causing you to scry 1
4. Activate Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it
5. Repeat

Results

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