Prototype Portal + Dross Scorpion + Krark-Clan Ironworks

Prerequisites

• You have an artifact creature card with mana value 2 or less exiled by Prototype Portal.

Steps

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

Effects

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