Woe Strider, Lesser Masticore, and Thran Vigil

Prerequisites

• Woe Strider on the battlefield
• Lesser Masticore on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Woe Strider by sacrificing Lesser Masticore
2. When Lesser Masticore 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 Lesser Masticore
4. Resolve the Woe Strider ability
5. Repeat

Results

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