[DMU] Implemented Shanna, Purifying Blade

Mage.Sets/src/mage/cards/k/KarnLivingLegacy.java

@@ -74,7 +74,7 @@ class KarnLivingLegacyEffect extends OneShotEffect {
             return false;
         }
         int amount = ManaUtil.playerPaysXGenericMana(
-                true, "Karn, Living Legacy", player, source, game
+                false, "Karn, Living Legacy", player, source, game
         );
         if (amount < 1) {
             return false;

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

@@ -0,0 +1,85 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.dynamicvalue.common.ControllerGotLifeCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.LifelinkAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.players.Player;
+import mage.util.ManaUtil;
+import mage.watchers.common.PlayerGainedLifeWatcher;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ShannaPurifyingBlade extends CardImpl {
+
+    public ShannaPurifyingBlade(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{G}{W}{U}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.WARRIOR);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Lifelink
+        this.addAbility(LifelinkAbility.getInstance());
+
+        // At the beginning of your end step, you may pay {X}. If you do, draw X cards. X can't be greater than the amount of life you gained this turn.
+        this.addAbility(new BeginningOfEndStepTriggeredAbility(
+                new ShannaPurifyingBladeEffect(), TargetController.YOU, false
+        ).addHint(ControllerGotLifeCount.getHint()), new PlayerGainedLifeWatcher());
+    }
+
+    private ShannaPurifyingBlade(final ShannaPurifyingBlade card) {
+        super(card);
+    }
+
+    @Override
+    public ShannaPurifyingBlade copy() {
+        return new ShannaPurifyingBlade(this);
+    }
+}
+
+class ShannaPurifyingBladeEffect extends OneShotEffect {
+
+    ShannaPurifyingBladeEffect() {
+        super(Outcome.Benefit);
+        staticText = "you may pay {X}. If you do, draw X cards. " +
+                "X can't be greater than the amount of life you gained this turn";
+    }
+
+    private ShannaPurifyingBladeEffect(final ShannaPurifyingBladeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ShannaPurifyingBladeEffect copy() {
+        return new ShannaPurifyingBladeEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        int lifeGained = ControllerGotLifeCount.instance.calculate(game, source, this);
+        if (lifeGained < 1) {
+            return false;
+        }
+        int count = ManaUtil.playerPaysXGenericMana(
+                true, "Shanna, Purifying Blade",
+                player, source, game, lifeGained
+        );
+        return count > 0 && player.drawCards(count, source, game) > 0;
+    }
+}

Mage.Sets/src/mage/sets/DominariaUnited.java

@@ -202,6 +202,7 @@ public final class DominariaUnited extends ExpansionSet {
         cards.add(new SetCardInfo("Shadow Prophecy", 105, Rarity.COMMON, mage.cards.s.ShadowProphecy.class));
         cards.add(new SetCardInfo("Shadow-Rite Priest", 106, Rarity.RARE, mage.cards.s.ShadowRitePriest.class));
         cards.add(new SetCardInfo("Shalai's Acolyte", 33, Rarity.UNCOMMON, mage.cards.s.ShalaisAcolyte.class));
+        cards.add(new SetCardInfo("Shanna, Purifying Blade", 218, Rarity.MYTHIC, mage.cards.s.ShannaPurifyingBlade.class));
         cards.add(new SetCardInfo("Sheoldred's Restoration", 108, Rarity.UNCOMMON, mage.cards.s.SheoldredsRestoration.class));
         cards.add(new SetCardInfo("Sheoldred, the Apocalypse", 107, Rarity.MYTHIC, mage.cards.s.SheoldredTheApocalypse.class));
         cards.add(new SetCardInfo("Shield-Wall Sentinel", 238, Rarity.COMMON, mage.cards.s.ShieldWallSentinel.class));

Mage/src/main/java/mage/abilities/dynamicvalue/common/ControllerGotLifeCount.java

@@ -8,8 +8,6 @@ import mage.abilities.hint.ValueHint;
 import mage.game.Game;
 import mage.watchers.common.PlayerGainedLifeWatcher;
 
-import java.util.UUID;
-
 /**
  * Amount of life the controller got this turn.
  *
@@ -22,13 +20,9 @@ public enum ControllerGotLifeCount implements DynamicValue {
 
     @Override
     public int calculate(Game game, Ability sourceAbility, Effect effect) {
-        return this.calculate(game, sourceAbility.getControllerId());
-    }
-
-    public int calculate(Game game, UUID controllerId) {
         PlayerGainedLifeWatcher watcher = game.getState().getWatcher(PlayerGainedLifeWatcher.class);
         if (watcher != null) {
-            return watcher.getLifeGained(controllerId);
+            return watcher.getLifeGained(sourceAbility.getControllerId());
         }
         return 0;
     }

Mage/src/main/java/mage/util/ManaUtil.java

@@ -674,6 +674,10 @@ public final class ManaUtil {
     }
 
     public static int playerPaysXGenericMana(boolean payAsX, String restoreContextName, Player player, Ability source, Game game) {
+        return playerPaysXGenericMana(payAsX, restoreContextName, player, source, game, Integer.MAX_VALUE);
+    }
+
+    public static int playerPaysXGenericMana(boolean payAsX, String restoreContextName, Player player, Ability source, Game game, int maxValue) {
         // payAsX - if your cost is X value (some mana can be used for X cost only)
         // false: "you may pay any amount of mana"
         // true: "counter that spell unless that player pays {X}"
@@ -684,7 +688,7 @@ public final class ManaUtil {
             int bookmark = game.bookmarkState();
             player.resetStoredBookmark(game);
 
-            wantToPay = player.announceXMana(0, Integer.MAX_VALUE, "How much mana will you pay?", game, source);
+            wantToPay = player.announceXMana(0, maxValue, "Choose how much mana to pay", game, source);
             if (wantToPay > 0) {
                 Cost cost = ManaUtil.createManaCost(wantToPay, payAsX);
                 payed = cost.pay(source, game, source, player.getId(), false, null);