Summoning Station + Grinding Station + Encroaching Mycosynth

Prerequisites

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Steps

1. 1Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token.
2. 2The Pincher enters the battlefield as an artifact due to Encroaching Mycosynth, triggering Grinding Station, untapping it.
3. 3Activate Grinding Station by tapping it and sacrificing the Pincher.
4. 4When the Pincher dies, Summoning Station triggers, untapping itself.
5. 5Resolve the Grinding Station ability, causing target player to mill three cards.
6. 6Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill