// {2}{G}, {tap}: Target creature gets +2/+2 until end of turn.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostSourceEffect(2, 2, Duration.EndOfTurn), new ManaCostsImpl("{2}{G}"));
ability.addCost(new TapSourceCost());
this.addAbility(ability);
// Channel - {3}{G}, Discard Ghost-Lit Nourisher: Target creature gets +4/+4 until end of turn.
Ability ability2 = new ChannelAbility("{3}{G}", new BoostTargetEffect(4, 4, Duration.EndOfTurn));
ability2.addTarget(new TargetCreaturePermanent());
this.addAbility(ability2);
}