this.color.setBlue(true);
this.power = new MageInt(1);
this.toughness = new MageInt(1);
// {U}, {tap}, Discard a card: Return target creature to its owner's hand.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new ReturnToHandTargetEffect(), new ColoredManaCost(ColoredManaSymbol.U));
ability.addCost(new TapSourceCost());
ability.addCost(new DiscardTargetCost(new TargetCardInHand()));
ability.addTarget(new TargetCreaturePermanent());
this.addAbility(ability);
}