// {tap}: Add {1} to your mana pool.
this.addAbility(new ColorlessManaAbility());
// {2}{W}{B}, {tap}: Creatures you control gain deathtouch and lifelink until end of turn.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD,
new GainAbilityControlledEffect(DeathtouchAbility.getInstance(), Duration.EndOfTurn, new FilterControlledCreaturePermanent("Creatures"), false),
new ManaCostsImpl("{2}{W}{B}"));
ability.addEffect(new GainAbilityControlledEffect(LifelinkAbility.getInstance(), Duration.EndOfTurn, new FilterControlledCreaturePermanent("Creatures"), false));
ability.addCost(new TapSourceCost());
this.addAbility(ability);
}