Prototype Portal, Dross Scorpion, and Krark-Clan Ironworks

Prerequisites

• Prototype Portal on the battlefield
• Dross Scorpion on the battlefield
• Krark-Clan Ironworks on the battlefield
• undefined (at most) available

Steps

1. Activate Prototype Portal by paying at most and tapping it, creating a token copy of the imprinted card
2. Activate Krark-Clan Ironworks by sacrificing the creature token, adding
3. When the creature token dies, Dross Scorpion triggers, untapping Prototype Portal
4. Repeat

Results

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