Woe Strider, Thran Vigil, and Obstinate Gargoyle

Prerequisites

• Woe Strider on the battlefield
• Thran Vigil on the battlefield
• Obstinate Gargoyle on the battlefield

Steps

1. Activate Woe Strider by sacrificing Obstinate Gargoyle
2. When Obstinate Gargoyle 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 Obstinate Gargoyle
4. Resolve the Woe Strider ability
5. Repeat

Results

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