Added card "Unpleasant Discovery" and its abilities and effects

Mage.Sets/src/mage/cards/u/UnpleasantDiscovery.java

@@ -1,4 +1,35 @@
 package mage.cards.u;
 
-public class UnpleasantDiscovery {
+import mage.abilities.effects.common.LoseLifeOpponentsEffect;
+import mage.abilities.effects.common.MillCardsEachPlayerEffect;
+import mage.abilities.effects.common.RevealHandEachPlayerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.TargetController;
+
+import java.util.UUID;
+
+/**
+ * @author Merlingilb
+ */
+public class UnpleasantDiscovery extends CardImpl {
+    public UnpleasantDiscovery(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{B}");
+
+        //Each opponent reveals their hand, loses 1 life, and mills two cards.
+        this.getSpellAbility().addEffect(new RevealHandEachPlayerEffect(TargetController.OPPONENT));
+        this.getSpellAbility().addEffect(new LoseLifeOpponentsEffect(1).setText("and loses 1 life"));
+        this.getSpellAbility().addEffect(new MillCardsEachPlayerEffect(2, TargetController.OPPONENT)
+                .setText(" and mills two cards"));
+    }
+
+    public UnpleasantDiscovery(final UnpleasantDiscovery card) {
+        super(card);
+    }
+
+    @Override
+    public UnpleasantDiscovery copy() {
+        return new UnpleasantDiscovery(this);
+    }
 }

Mage/src/main/java/mage/abilities/effects/common/RevealHandEachPlayerEffect.java

@@ -0,0 +1,89 @@
+package mage.abilities.effects.common;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Outcome;
+import mage.constants.TargetController;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author Merlingilb
+ */
+public class RevealHandEachPlayerEffect extends OneShotEffect {
+    private final TargetController targetController;
+
+    public RevealHandEachPlayerEffect() {
+        this(TargetController.ANY);
+    }
+
+    public RevealHandEachPlayerEffect(TargetController targetController) {
+        super(Outcome.Benefit);
+        this.targetController = targetController;
+    }
+
+    public RevealHandEachPlayerEffect(final RevealHandEachPlayerEffect effect) {
+        super(effect);
+        this.targetController = effect.targetController;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        MageObject sourceObject = game.getObject(source);
+        if (controller == null) {
+            return true;
+        }
+        for (UUID playerId : game.getPlayers().keySet()) {
+            Player player = game.getPlayer(playerId);
+            if (player == null) {
+                continue;
+            }
+            switch (targetController) {
+                case NOT_YOU:
+                    if (playerId.equals(source.getControllerId())) {
+                        continue;
+                    }
+                    break;
+                case OPPONENT:
+                    if (!game.getOpponents(source.getControllerId()).contains(playerId)) {
+                        continue;
+                    }
+                    break;
+            }
+            player.revealCards(sourceObject.getIdName() + player.getName(), player.getHand(), game);
+        }
+        return true;
+    }
+
+    @Override
+    public RevealHandEachPlayerEffect copy() {
+        return new RevealHandEachPlayerEffect(this);
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText != null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        StringBuilder sb = new StringBuilder();
+        sb.append("each ");
+        switch (targetController) {
+            case NOT_YOU:
+                sb.append("other player");
+                break;
+            case OPPONENT:
+                sb.append("opponent");
+                break;
+            case ANY:
+                sb.append("player");
+                break;
+        }
+        sb.append(" reveals their hand");
+        return sb.toString();
+    }
+}