Added test for Proliferate hint.

Mage.Sets/src/mage/cards/p/ParkHeightsMaverick.java

@@ -36,7 +36,7 @@ public final class ParkHeightsMaverick extends CardImpl {
 
         // Whenever Park Heights Maverick deals combat damage to a player or dies, proliferate.
         this.addAbility(new OrTriggeredAbility(
-                Zone.ALL, new ProliferateEffect(), false,
+                Zone.ALL, new ProliferateEffect(false), false,
                 "Whenever {this} deals combat damage to a player or dies, ",
                 new DealsCombatDamageToAPlayerTriggeredAbility(null, false),
                 new DiesSourceTriggeredAbility(null, false)

Mage.Sets/src/mage/cards/p/PollenbrightDruid.java

@@ -36,7 +36,7 @@ public final class PollenbrightDruid extends CardImpl {
         ability.addTarget(new TargetCreaturePermanent());
 
         // • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
-        ability.addMode(new Mode(new ProliferateEffect()));
+        ability.addMode(new Mode(new ProliferateEffect(true)));
         this.addAbility(ability);
     }
 

Mage.Sets/src/mage/cards/s/SwordOfTruthAndJustice.java

@@ -66,7 +66,8 @@ class SwordOfTruthAndJusticeEffect extends OneShotEffect {
 
     SwordOfTruthAndJusticeEffect() {
         super(Outcome.Benefit);
-        staticText = "put a +1/+1 counter on a creature you control, then proliferate";
+        staticText = "put a +1/+1 counter on a creature you control, then proliferate. " +
+                "<i>(Choose any number of permanents and/or players, then give each another counter of each kind already there.)</i>";
     }
 
     private SwordOfTruthAndJusticeEffect(final SwordOfTruthAndJusticeEffect effect) {
@@ -92,6 +93,6 @@ class SwordOfTruthAndJusticeEffect extends OneShotEffect {
                 permanent.addCounters(CounterType.P1P1.createInstance(), source.getControllerId(), source, game);
             }
         }
-        return new ProliferateEffect().apply(game, source);
+        return new ProliferateEffect(true).apply(game, source);
     }
 }

Mage.Sets/src/mage/cards/v/VoltCharge.java

@@ -17,9 +17,10 @@ public final class VoltCharge extends CardImpl {
     public VoltCharge(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{2}{R}");
 
-        // Volt Charge deals 3 damage to any target. Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)
+        // Volt Charge deals 3 damage to any target.
+        // Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
         this.getSpellAbility().addEffect(new DamageTargetEffect(3));
-        this.getSpellAbility().addEffect(new ProliferateEffect());
+        this.getSpellAbility().addEffect(new ProliferateEffect(true));
         this.getSpellAbility().addTarget(new TargetAnyTarget());
     }
 

Mage.Sets/src/mage/cards/w/WanderersStrike.java

@@ -17,10 +17,9 @@ public final class WanderersStrike extends CardImpl {
     public WanderersStrike(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{4}{W}");
 
-
         // Exile target creature, then proliferate.
         this.getSpellAbility().addEffect(new ExileTargetEffect());
-        this.getSpellAbility().addEffect(new ProliferateEffect().concatBy("then"));
+        this.getSpellAbility().addEffect(new ProliferateEffect(true).concatBy(", then"));
         this.getSpellAbility().addTarget(new TargetCreaturePermanent());
     }
 

Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java

@@ -9,6 +9,7 @@ import mage.abilities.common.WerewolfBackTriggeredAbility;
 import mage.abilities.common.WerewolfFrontTriggeredAbility;
 import mage.abilities.effects.Effect;
 import mage.abilities.effects.common.FightTargetsEffect;
+import mage.abilities.effects.common.counter.ProliferateEffect;
 import mage.abilities.effects.keyword.ScryEffect;
 import mage.abilities.keyword.*;
 import mage.cards.*;
@@ -1422,6 +1423,7 @@ public class VerifyCardDataTest {
         hints.put(ScryEffect.class, "Look at the top card of your library. You may put that card on the bottom of your library");
         hints.put(EquipAbility.class, "Equip only as a sorcery.");
         hints.put(WardAbility.class, "becomes the target of a spell or ability an opponent controls");
+        hints.put(ProliferateEffect.class, "Choose any number of permanents and/or players, then give each another counter of each kind already there.");
 
         for (Class objectClass : hints.keySet()) {
             String objectHint = hints.get(objectClass);

Mage/src/main/java/mage/abilities/effects/common/counter/ProliferateEffect.java

@@ -33,7 +33,7 @@ public class ProliferateEffect extends OneShotEffect {
         super(Outcome.Benefit);
         staticText = "proliferate" + afterText;
         if (showAbilityHint) {
-            staticText += ". <i>(You choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)</i>";
+            staticText += ". <i>(Choose any number of permanents and/or players, then give each another counter of each kind already there.)</i>";
         }
     }