this.color.setBlack(true);
this.power = new MageInt(2);
this.toughness = new MageInt(1);
// Sacrifice a Goblin: Regenerate Goblin Turncoat.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new RegenerateSourceEffect(),
new SacrificeTargetCost(new TargetControlledCreaturePermanent(1, 1, filter, false)));
this.addAbility(ability);
}