[WOE] Implement Rowan, Scion of War (#10853)

Co-authored-by: Evan Kranzler <theelk801@gmail.com>

Mage/src/main/java/mage/abilities/SpellAbility.java

@@ -286,7 +286,7 @@ public class SpellAbility extends ActivatedAbilityImpl {
     }
 
     /**
-     * Returns a card object with the spell characteristics like calor, types,
+     * Returns a card object with the spell characteristics like color, types,
      * subtypes etc. E.g. if you cast a Bestow card as enchantment, the
      * characteristics don't include the creature type.
      *

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

@@ -0,0 +1,48 @@
+package mage.abilities.dynamicvalue.common;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.game.Game;
+import mage.watchers.common.PlayerLostLifeWatcher;
+
+/**
+ * Amount of life the controller lost this turn.
+ *
+ * @author Susucr
+ */
+public enum ControllerLostLifeCount implements DynamicValue {
+    instance;
+
+    private static final Hint hint = new ValueHint("Life lost this turn", instance);
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        PlayerLostLifeWatcher watcher = game.getState().getWatcher(PlayerLostLifeWatcher.class);
+        if (watcher != null) {
+            return watcher.getLifeLost(sourceAbility.getControllerId());
+        }
+        return 0;
+    }
+
+    @Override
+    public ControllerLostLifeCount copy() {
+        return instance;
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+
+    @Override
+    public String getMessage() {
+        return "the amount of life you lost this turn";
+    }
+
+    public static Hint getHint() {
+        return hint;
+    }
+}