The Ring Emblem - fixed not working 3rd effect with blocker sacrifice (closes #11425), added docs and usage example for BLOCKER_DECLARED and CREATURE_BLOCKED game events

Mage/src/main/java/mage/game/GameImpl.java

@@ -3963,6 +3963,7 @@ public abstract class GameImpl implements Game {
     public String toString() {
         Player activePayer = this.getPlayer(this.getActivePlayerId());
         StringBuilder sb = new StringBuilder()
+                .append(this.isSimulation() ? "!!!SIMULATION!!! " : "")
                 .append(this.getGameType().toString())
                 .append("; ").append(CardUtil.getTurnInfo(this))
                 .append("; active: ").append((activePayer == null ? "none" : activePayer.getName()))