Goblin Welder, Corridor Monitor, and Unbender Tine

Prerequisites

• Goblin Welder on the battlefield
• Corridor Monitor on the battlefield
• Unbender Tine in the graveyard
• Goblin Welder does not have summoning sickness

Steps

1. Activate Goblin Welder by tapping it, sacrificing Corridor Monitor and returning Unbender Tine from your graveyard to the battlefield
2. Activate Unbender Tine by tapping it, untapping Goblin Welder
3. Activate Goblin Welder by tapping it, sacrificing Unbender Tine and returning Corridor Monitor from your graveyard to the battlefield
4. Corridor Monitor enters the battlefield, untapping Goblin Welder
5. Repeat

Results

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