[LCI] Implement Preacher of the Schism

Mage/src/main/java/mage/abilities/condition/common/SourceAttackingPlayerWithMostLifeCondition.java

@@ -0,0 +1,36 @@
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.other.PlayerWithTheMostLifePredicate;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public enum SourceAttackingPlayerWithMostLifeCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        UUID defenderId = game.getCombat().getDefenderId(source.getSourceId());
+        if (defenderId == null) {
+            return false;
+        }
+
+        Player attackedPlayer = game.getPlayer(defenderId);
+        return PlayerWithTheMostLifePredicate.instance.apply(
+                new ObjectSourcePlayer<>(attackedPlayer, source.getControllerId(), source),
+                game
+        );
+    }
+
+    @Override
+    public String toString() {
+        return "{this} is attacking the player with the most life or tied for most life";
+    }
+}