自(じ)在(ざい)自(じ)動(どう)機(き)械(かい)

Jumpstart: Historic Horizons (J21)

Find the best Standard decks for 自(じ)在(ざい)自(じ)動(どう)機(き)械(かい), it's winrate, popularity and the MTG Arena formats where it is legal!