Dross Scorpion + Retrofitter Foundry + Krark-Clan Ironworks

Prerequisites

—

Steps

1. 1Activate Retrofitter Foundry's second ability by paying and tapping it, creating a 1/1 Servo artifact creature token.
2. 2Activate Krark-Clan Ironworks by sacrificing the Servo, adding .
3. 3When the Servo dies, Dross Scorpion triggers, untapping Retrofitter Foundry.
4. 4Repeat.

Effects

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