this.color.setBlack(true);
// Profit
// Creatures you control get +1/+1 until end of turn.
getLeftHalfCard().getColor().setBlue(true);
getLeftHalfCard().getSpellAbility().addEffect(new BoostControlledEffect(1,1, Duration.EndOfTurn, new FilterCreaturePermanent()));
// Loss
// Creatures your opponents control get -1/-1 until end of turn.
getRightHalfCard().getColor().setBlack(true);
getRightHalfCard().getSpellAbility().addEffect(new BoostAllEffect(-1, -1, Duration.EndOfTurn, filter, false));