this.color.setGreen(true);
this.power = new MageInt(2);
this.toughness = new MageInt(1);
// Whenever you cast a spell that's both green and blue, Shorecrasher Mimic has base power and toughness 5/3 until end of turn and gains trample until end of turn.
Ability ability = new SpellCastControllerTriggeredAbility(new SetPowerToughnessSourceEffect(5, 3, Duration.EndOfTurn), filter, false, rule);
ability.addEffect(new GainAbilitySourceEffect(TrampleAbility.getInstance(), Duration.EndOfTurn, false, true));
this.addAbility(ability);
}