Nick Valentine, Private Eye + Stridehangar Automaton + Grinding Station

Prerequisites

• You control another artifact creature.

Steps

1. 1Activate Grinding Station by tapping it and sacrificing another artifact creature.
2. 2When the creature dies, Nick Valentine triggers, creating a Clue token and a 1/1 Thopter artifact creature token.
3. 3When the Clue and Thopter enter the battlefield, Grinding Station triggers twice, untapping Grinding Station.
4. 4Resolve the Grinding Station ability from step 1.
5. 5Repeat.

Effects

• Infinite artifact tokens
• Infinite Clue tokens
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill