Woe Strider, Lingering Tormentor, and Hardened Academic

Prerequisites

• Woe Strider on the battlefield
• Lingering Tormentor on the battlefield
• Hardened Academic on the battlefield

Steps

1. Activate Woe Strider by sacrificing Lingering Tormentor
2. When Lingering Tormentor dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Hardened Academic triggers, putting a +1/+1 counter on Lingering Tormentor
4. Resolve the Woe Strider ability
5. Repeat

Results

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