// +1: Until end of turn, Sarkhan, the Dragonspeaker becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste.
this.addAbility(new LoyaltyAbility(new SarkhanTheDragonspeakerEffect(), 1));
// -3: Sarkhan, the Dragonspeaker deals 4 damage to target creature.
LoyaltyAbility ability = new LoyaltyAbility(new DamageTargetEffect(4), -3);
ability.addTarget(new TargetCreaturePermanent());
this.addAbility(ability);
// -6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."
Effect effect = new GetEmblemEffect(new SarkhanTheDragonspeakerEmblem());
effect.setText("You get an emblem with \"At the beginning of your draw step, draw two additional cards\" and \"At the beginning of your end step, discard your hand.\"");