super(ownerId, 219, "Voltaic Key", Rarity.UNCOMMON, new CardType[]{CardType.ARTIFACT}, "{1}");
this.expansionSetCode = "M11";
Costs costs = new CostsImpl();
costs.add(new GenericManaCost(1));
costs.add(new TapSourceCost());
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new UntapTargetEffect(), costs);
ability.addTarget(new TargetPermanent(filter));
this.addAbility(ability);
}