this.expansionSetCode = "ODY";
// {tap}: Add {1} to your mana pool.
this.addAbility(new SimpleManaAbility(Zone.BATTLEFIELD, Mana.ColorlessMana, new TapSourceCost()));
// {tap}: Add one mana of any color to your mana pool. Tarnished Citadel deals 3 damage to you.
ManaAbility ability = new AnyColorManaAbility(new TapSourceCost());
ability.addEffect(new DamageControllerEffect(3));
this.addAbility(ability);
}