Blasting Station, Putrid Goblin, and Thran Vigil

Prerequisites

• Blasting Station on the battlefield
• Putrid Goblin on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Putrid Goblin
2. When Putrid Goblin 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 Putrid Goblin
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