Artefacto — Equipo
Cuando la Maza pistón entre al campo de batalla, anéxala a la criatura objetivo que controlas.
La criatura equipada obtiene +3/+1.
Equipar — Sacrificar un artefacto.
If there are no creatures on the battlefield that Piston Sledge could be attached to when its enters-the-battlefield triggered ability resolves, it remains on the battlefield unattached.