Melira, Sylvok Outcast, Wingrattle Scarecrow, and Grinding Station Combo

Melira, Sylvok Outcast, Wingrattle Scarecrow, and Grinding Station

Here's how the cards Melira, Sylvok Outcast, Wingrattle Scarecrow, and Grinding Station results in Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, and Infinite self-mill

Melira, Sylvok Outcast

Wingrattle Scarecrow

Grinding Station

Prerequisites

Melira, Sylvok Outcast on the battlefield
Wingrattle Scarecrow on the battlefield
Grinding Station on the battlefield

Steps

Activate Grinding Station by tapping it and sacrificing Wingrattle Scarecrow
When Wingrattle Scarecrow dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira
When Wingrattle Scarecrow enters, Grinding Station triggers, untapping it
Resolve the Grinding Station ability from step 1
Repeat