Woe Strider, and Tromell, Seymour's Butler

Prerequisites

• Woe Strider on the battlefield
• Tromell, Seymour's Butler on the battlefield

Steps

1. Activate Woe Strider by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell Resolve the Woe Strider ability
3. Repeat

Results

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