support "that player's life total as the turn began"

forge-game/src/main/java/forge/game/card/CardFactoryUtil.java

@@ -609,9 +609,15 @@ public class CardFactoryUtil {
         if (value.contains("LifeGainedThisTurn")) {
             return doXMath(player.getLifeGainedThisTurn(), m, source);
         }
+
         if (value.contains("LifeGainedByTeamThisTurn")) {
             return doXMath(player.getLifeGainedByTeamThisTurn(), m, source);
         }
+
+        if (value.contains("LifeStartedThisTurnWith")) {
+            return doXMath(player.getLifeStartedThisTurnWith(), m, source);
+        }
+
         if (value.contains("PoisonCounters")) {
             return doXMath(player.getPoisonCounters(), m, source);
         }

forge-game/src/main/java/forge/game/player/Player.java

@@ -82,6 +82,7 @@ public class Player extends GameEntity implements Comparable<Player> {
 
     private int life = 20;
     private int startingLife = 20;
+    private int lifeStartedThisTurnWith = startingLife;
     private final Map<Card, Integer> assignedDamage = Maps.newHashMap();
     private final Map<Card, Integer> assignedCombatDamage = Maps.newHashMap();
     private int spellsCastThisTurn = 0;
@@ -1660,6 +1661,13 @@ public class Player extends GameEntity implements Comparable<Player> {
         numCardsInHandStartedThisTurnWith = num;
     }
 
+    public int getLifeStartedThisTurnWith() {
+        return lifeStartedThisTurnWith;
+    }
+    public void setLifeStartedThisTurnWith(int l) {
+        lifeStartedThisTurnWith = l;
+    }
+
     public void addNoteForName(String notedFor, String noted) {
         if (!notes.containsKey(notedFor)) {
             notes.put(notedFor, new FCollection<>());
@@ -3265,6 +3273,7 @@ public class Player extends GameEntity implements Comparable<Player> {
         lifeGainedThisTurn = 0;
         lifeGainedTimesThisTurn = 0;
         lifeGainedByTeamThisTurn = 0;
+        setLifeStartedThisTurnWith(getLife());
         setLibrarySearched(0);
         setNumManaConversion(0);