Boom Grenade (Yellow) [EVO085] (Bright Lights)Set: Bright Lights Finish: Regular Type: Action Subtype: Item Rarity: Common Class: Mechanologist Cost: 2 Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.) This enters the arena with a steam counter. At the start of your turn, destroy this unless you remove a steam counter from it. When a Mechanologist attack action card you control hits a hero, destroy this and deal 3 damage to them.