Dross Scorpion + Retrofitter Foundry + Ashnod's Altar

Prerequisites

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Steps

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

Effects

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