super(ownerId, 142, "Orzhov Cluestone", Rarity.COMMON, new CardType[]{CardType.ARTIFACT}, "{3}");
this.expansionSetCode = "DGM";
// {T}: Add {W} or {B} to your mana pool.
this.addAbility(new WhiteManaAbility());
this.addAbility(new BlackManaAbility());
// {W}{B}, {T}, Sacrifice Orzhov Cluestone: Draw a card.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DrawCardSourceControllerEffect(1), new ManaCostsImpl("{W}{B}"));
ability.addCost(new TapSourceCost());
ability.addCost(new SacrificeSourceCost());