Athreos, Shroud-Veiled, Denry Klin, Editor in Chief, and Viscera Seer

Prerequisites

• Athreos, Shroud-Veiled on the battlefield
• Denry Klin, Editor in Chief on the battlefield
• Viscera Seer on the battlefield
• Denry Klin and another nontoken creature you control each have a coin counter on them

Steps

1. Activate Viscera Seer by sacrifiing another nontoken creature with a coin counter on it
2. When the creature dies, Athreos' third ability triggers, returning the creature from your graveyard to the battlefield
3. When the creature enters the battlefield, Denry Klin triggers, putting a coin counter on it
4. Resolve the Viscera Seer ability from step 1, causing you to scry 1
5. Repeat

Results

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