onPlayerTick01

@SubscribeEvent
    public void onPlayerTick(TickEvent.PlayerTickEvent event) {
        PlayerEntity player = (PlayerEntity)event.player.getEntity();
        if (event.phase == TickEvent.Phase.END) {

            for (Runnable runnable : delayedTasks) {
                runnable.run();
                delayedTasks.clear();
            }
        }
    }

    static final List<Runnable> delayedTasks = new ArrayList<>();

            delayedTasks.add(() -> {
                for (PlayerEntity players : player.getServer().getPlayerList().getPlayers()) {
                    int lives = (int) (10 - (player.getMaxHealth() / 2));

                    if (lives >= 2) {
                        players.sendMessage(HealthMessages.getRemainingLives(player, player.getScoreboardName() + " has " + lives + "
                        lives remaining . . ."), player.getUniqueID());
                    } else if (lives == 1) {
                        players.sendMessage(HealthMessages.getRemainingLives(player, player.getScoreboardName() + " has one life
                        remaining!"), player.getUniqueID());
                    } else {
                        players.sendMessage(HealthMessages.getRemainingLives(player, player.getScoreboardName() + " has been
                        eliminated!"), player.getUniqueID());
                    }
                }
            });