[SNC] Implemented Cut Your Losses

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

@@ -0,0 +1,50 @@
+package mage.abilities.effects.common;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.players.Player;
+
+/**
+ * @author TheElk801
+ */
+public class MillHalfLibraryTargetEffect extends OneShotEffect {
+
+    private static boolean roundUp;
+
+    public MillHalfLibraryTargetEffect(boolean roundUp) {
+        super(Outcome.Benefit);
+        this.roundUp = roundUp;
+    }
+
+    private MillHalfLibraryTargetEffect(final MillHalfLibraryTargetEffect effect) {
+        super(effect);
+        this.roundUp = effect.roundUp;
+    }
+
+    @Override
+    public MillHalfLibraryTargetEffect copy() {
+        return new MillHalfLibraryTargetEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(getTargetPointer().getFirst(game, source));
+        if (player == null) {
+            return false;
+        }
+        int count = player.getLibrary().size();
+        return player.millCards(count / 2 + (roundUp ? count % 2 : 0), source, game).size() > 0;
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText != null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        return "target " + (mode.getTargets().isEmpty() ? "that player" : mode.getTargets().get(0).getTargetName()) +
+                " mills half their library, rounded " + (roundUp ? "up" : "down");
+    }
+}