Infinite ETB, Infinite creature tokens, Infinite mill, Infinite self-mill
Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token and a Mutagen token due to Donatello.
When the Mutagen enters, Grinding Station triggers, untapping Grinding Station.
Activate Grinding Station by tapping it and sacrificing the Mutagen.
Summoning Station triggers, untapping itself.
Resolve the Grinding Station ability.
Repeat.
Component Cards
How It Works
Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token and a Mutagen token due to Donatello.
When the Mutagen enters, Grinding Station triggers, untapping Grinding Station.
Activate Grinding Station by tapping it and sacrificing the Mutagen.
Summoning Station triggers, untapping itself.
Resolve the Grinding Station ability.
Repeat.