public RiverOfTears(UUID ownerId) {
super(ownerId, 179, "River of Tears", Rarity.RARE, new CardType[]{CardType.LAND}, "");
this.expansionSetCode = "FUT";
// {tap}: Add {U} to your mana pool. If you played a land this turn, add {B} to your mana pool instead.
this.addAbility(new ConditionalManaAbility(Zone.BATTLEFIELD, new ConditionalManaEffect(
new BasicManaEffect(Mana.BlackMana),
new BasicManaEffect(Mana.BlueMana),
LandfallCondition.getInstance(),
"Add {U} to your mana pool. If you played a land this turn, add {B} to your mana pool instead"),
new TapSourceCost()));