Goblin Welder, and Thornbite Staff

Prerequisites

• Goblin Welder on the battlefield
• Thornbite Staff on the battlefield
• undefined

Steps

1. Activate Goblin Welder by tapping it, sacrificing any artifact creature you control and returning any other artifact creature from your graveyard to the battlefield
2. Goblin Welder triggers, untapping itself
3. Repeat

Results

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