Ron Hough, Vexation & Flak

Ron Hough, Vexation & Flak enters the battlefield, choose up to five target lands, they now become Mountains. Destroy all lands that are not Mountains and/or weren't affected by this ability.

{1}{r}, {t}, Create a Artifact that is named Ron's Blade of Nightmares and has "Sacrifice this equipment: deal 3 damage to target creature or opponent". Equip it to this creature.