this.color.setGreen(true);
this.power = new MageInt(1);
this.toughness = new MageInt(2);
// {tap}: Target creature gains forestwalk until end of turn.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new GainAbilityTargetEffect(new ForestwalkAbility(), Duration.EndOfTurn), new TapSourceCost());
ability.addTarget(new TargetCreaturePermanent());
this.addAbility(ability);
}