Woe Strider, Kithkin Spellduster, and Thran Vigil

Prerequisites

• Woe Strider on the battlefield
• Kithkin Spellduster on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Woe Strider by sacrificing Kithkin Spellduster
2. When Kithkin Spellduster 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 Kithkin Spellduster
4. Resolve the Woe Strider ability
5. Repeat

Results

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