Fain, the Broker, Dross Scorpion, and Biotransference

Prerequisites

• Fain, the Broker on the battlefield
• Dross Scorpion on the battlefield
• Biotransference on the battlefield
• Fain does not have summoning sickness
• You control at least one additional creature

Steps

1. Activate Fain's third ability by tapping it and sacrificing an creature, which is an artifact due to Biotransference
2. When the creature dies, Dross Scorpion triggers, untapping Fain
3. Resolve the Fain ability from step 1, creating a 2/1 Inkling creature token that is an artifact due to Biotransference
4. Repeat

Results

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