this.toughness = new MageInt(1);
// {R}, Sacrifice War-Torch Goblin: War-Torch Goblin deals 2 damage to target blocking creature.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DamageTargetEffect(2), new ColoredManaCost(ColoredManaSymbol.R));
ability.addCost(new SacrificeSourceCost());
ability.addTarget(new TargetCreaturePermanent(new FilterBlockingCreature()));
this.addAbility(ability);
}