How to use

mage.abilities.common.BecomesBlockedTriggeredAbility

constructor

public SaprazzanRaider(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{U}");
  this.subtype.add(SubType.MERFOLK);
  this.power = new MageInt(1);
  this.toughness = new MageInt(2);
  // When Saprazzan Raider becomes blocked, return it to its owner's hand.
  this.addAbility(new BecomesBlockedTriggeredAbility(new ReturnToHandSourceEffect(), false));
}

public DeepwoodWolverine(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{G}");
  this.subtype.add(SubType.WOLVERINE);
  this.power = new MageInt(1);
  this.toughness = new MageInt(1);
  // Whenever Deepwood Wolverine becomes blocked, it gets +2/+0 until end of turn.
  Effect effect = new BoostSourceEffect(2, 0, Duration.EndOfTurn);
  effect.setText("it gets +2/+0 until end of turn");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public StormsurgeKraken(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{U}{U}");
  this.subtype.add(SubType.KRAKEN);
  this.power = new MageInt(5);
  this.toughness = new MageInt(5);
  // Hexproof
  this.addAbility(HexproofAbility.getInstance());
  
  // Lieutenant - As long as you control your commander, Stormsurge Kraken gets +2/+2 and has "Whenever Stormsurge Kraken becomes blocked, you may draw two cards."
  ContinuousEffect effect = new GainAbilitySourceEffect(new BecomesBlockedTriggeredAbility(new DrawCardSourceControllerEffect(2), true), Duration.WhileOnBattlefield);
  effect.setText("and has \"Whenever Stormsurge Kraken becomes blocked, you may draw two cards.\"");
  this.addAbility(new LieutenantAbility(effect));
}

public LeeryFogbeast(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{G}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(4);
  this.toughness = new MageInt(2);
  // Whenever Leery Fogbeast becomes blocked, prevent all combat damage that would be dealt this turn.
  this.addAbility(new BecomesBlockedTriggeredAbility(new PreventAllDamageByAllPermanentsEffect(Duration.EndOfTurn, true), false));
}

public DeepwoodTantiv(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{4}{G}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(2);
  this.toughness = new MageInt(4);
  // Whenever Deepwood Tantiv becomes blocked, you gain 2 life.
  this.addAbility(new BecomesBlockedTriggeredAbility(new GainLifeEffect(2), false));
}

public SilkenfistOrder(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{W}{W}");
  this.subtype.add(SubType.KOR);
  this.subtype.add(SubType.SOLDIER);
  this.power = new MageInt(3);
  this.toughness = new MageInt(5);
  // Whenever Silkenfist Order becomes blocked, untap it.
  Effect effect = new UntapSourceEffect();
  effect.setText("untap it");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public SnortingGahr(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{G}{G}");
  this.subtype.add(SubType.RHINO);
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(3);
  this.toughness = new MageInt(3);
  // Whenever Snorting Gahr becomes blocked, it gets +2/+2 until end of turn.
  Effect effect = new BoostSourceEffect(2, 2, Duration.EndOfTurn);
  effect.setText("it gets +2/+2 until end of turn");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public VedalkenGhoul(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{U}{B}");
  this.subtype.add(SubType.VEDALKEN);
  this.subtype.add(SubType.ZOMBIE);
  this.power = new MageInt(1);
  this.toughness = new MageInt(1);
  // Whenever Vedalken Ghoul becomes blocked, defending player loses 4 life.
  this.addAbility(new BecomesBlockedTriggeredAbility(new LoseLifeDefendingPlayerEffect(4, true), false));
}

public DeeprootWarrior(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}");
  this.subtype.add(SubType.MERFOLK);
  this.subtype.add(SubType.WARRIOR);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Whenever Deeproot Warrior becomes blocked, it gets +1/+1 until end of turn.
  Effect effect = new BoostSourceEffect(1, 1, Duration.EndOfTurn);
  effect.setText("it gets +1/+1 until end of turn");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public SparringGolem(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT,CardType.CREATURE},"{3}");
  this.subtype.add(SubType.GOLEM);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Whenever Sparring Golem becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.
  BlockedCreatureCount value = new BlockedCreatureCount();
  Effect effect = new BoostSourceEffect(value, value, Duration.EndOfTurn, true);
  effect.setText("it gets +1/+1 until end of turn for each creature blocking it");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public IgnobleSoldier(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{W}");
  this.subtype.add(SubType.HUMAN);
  this.subtype.add(SubType.SOLDIER);
  this.power = new MageInt(3);
  this.toughness = new MageInt(1);
  // Whenever Ignoble Soldier becomes blocked, prevent all combat damage that would be dealt by it this turn.
  Effect effect = new PreventCombatDamageBySourceEffect(Duration.EndOfTurn);
  effect.setText("prevent all combat damage that would be dealt by it this turn");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public Groffskithur(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{5}{G}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(3);
  this.toughness = new MageInt(3);
  // Whenever Groffskithur becomes blocked, you may return target card named Groffskithur from your graveyard to your hand.
  Ability ability = new BecomesBlockedTriggeredAbility(new ReturnToHandTargetEffect(), true);
  ability.addTarget(new TargetCardInYourGraveyard(filter));
  this.addAbility(ability);
}

public JungleWurm(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{G}{G}");
  this.subtype.add(SubType.WURM);
  this.power = new MageInt(5);
  this.toughness = new MageInt(5);
  // Whenever Jungle Wurm becomes blocked, it gets -1/-1 until end of turn for each creature blocking it beyond the first.
  BlockedCreatureCount blockedCreatureCount = new BlockedCreatureCount("each creature blocking it beyond the first", true);
  DynamicValue value = new MultipliedValue(blockedCreatureCount, -1);
  Effect effect = new BoostSourceEffect(value, value, Duration.EndOfTurn, true);
  effect.setText("it gets -1/-1 until end of turn for each creature blocking it beyond the first");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public IchorclawMyr(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT,CardType.CREATURE},"{2}");
  this.subtype.add(SubType.MYR);
  this.power = new MageInt(1);
  this.toughness = new MageInt(1);
  this.addAbility(InfectAbility.getInstance());
  // Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.
  this.addAbility(new BecomesBlockedTriggeredAbility(new BoostSourceEffect(2, 2, Duration.EndOfTurn), false));
}

public GangOfElk(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{5}{G}");
  this.subtype.add(SubType.ELK);
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(5);
  this.toughness = new MageInt(4);
  // Whenever Gang of Elk becomes blocked, it gets +2/+2 until end of turn for each creature blocking it.
  DynamicValue value = new MultipliedValue(new BlockedCreatureCount(), 2);
  Effect effect = new BoostSourceEffect(value, value, Duration.EndOfTurn, true);
  effect.setText("it gets +2/+2 until end of turn for each creature blocking it");
  this.addAbility(new BecomesBlockedTriggeredAbility(effect, false));
}

public KarplusanWolverine(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{R}");
  addSuperType(SuperType.SNOW);
  this.subtype.add(SubType.WOLVERINE);
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(1);
  this.toughness = new MageInt(1);
  // Whenever Karplusan Wolverine becomes blocked, you may have it deal 1 damage to any target.
  Ability ability = new BecomesBlockedTriggeredAbility(new DamageTargetEffect(1), true);
  ability.addTarget(new TargetAnyTarget());
  this.addAbility(ability);
}

public LaccolithGrunt(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{R}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Whenever Laccolith Grunt becomes blocked, you may have it deal damage equal to its power to target creature. If you do, Laccolith Grunt assigns no combat damage this turn.
  Ability ability = new BecomesBlockedTriggeredAbility(new LaccolithEffect().setText("you may have it deal damage equal to its power to target creature"), true);
  ability.addEffect(new AssignNoCombatDamageSourceEffect(Duration.EndOfTurn, true));
  ability.addTarget(new TargetCreaturePermanent());
  this.addAbility(ability);
}

public LaccolithTitan(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{R}{R}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(6);
  this.toughness = new MageInt(6);
  // Whenever Laccolith Grunt becomes blocked, you may have it deal damage equal to its power to target creature. If you do, Laccolith Grunt assigns no combat damage this turn.
  Ability ability = new BecomesBlockedTriggeredAbility(new LaccolithEffect().setText("you may have it deal damage equal to its power to target creature"), true);
  ability.addEffect(new AssignNoCombatDamageSourceEffect(Duration.EndOfTurn, true));
  ability.addTarget(new TargetCreaturePermanent());
  this.addAbility(ability);
}

public Duskworker(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT,CardType.CREATURE},"{4}");
  this.subtype.add(SubType.CONSTRUCT);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  this.addAbility(new BecomesBlockedTriggeredAbility(new RegenerateSourceEffect(), false));
  this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostSourceEffect(1, 0, Duration.EndOfTurn), new GenericManaCost(3)));
}

public FireJuggler(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{R}");
  this.subtype.add(SubType.GOBLIN);
  this.subtype.add(SubType.SHAMAN);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Whenever Fire Juggler becomes blocked, clash with an opponent. If you win, Fire Juggler deals 4 damage to each creature blocking it.
  FilterPermanent filter = new FilterPermanent("each creature blocking it");
  filter.add(new BlockingAttackerIdPredicate(this.getId()));
  this.addAbility(new BecomesBlockedTriggeredAbility(new DoIfClashWonEffect(new DamageAllEffect(4,filter)),false));
}