Blasting Station, Lesser Masticore, and Thran Vigil

Prerequisites

• Blasting Station on the battlefield
• Lesser Masticore on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Blasting Station by tapping it and 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 and Blasting Station trigger
4. Resolve the Thran Vigil trigger, putting a +1/+1 counter on Lesser Masticore
5. Resolve the Blasting Station trigger, untapping it
6. Resolve the Blasting Station ability from step 1
7. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers