Thran Vigil, and Viscera Seer

Prerequisites

• Thran Vigil on the battlefield
• Viscera Seer on the battlefield
• The persist creature does not have a -1/-1 counter on it
• It is your turn

Steps

1. Activate Viscera Seer by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on the persist creature
4. Resolve the Viscera Seer ability, causing you to scry 1
5. Repeat

Results

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