The instructions were, indeed, in an envelope taped to the front of the gate. It read, "ENTER THE CEMETERY, CLOSE THE GATES BEHIND YOU. TAKE THE LANTERN PROVIDED, YOU'LL NEED IT. STICK TOGETHER AS YOU FOLLOW THE MARKED PATH INTO THE TREES. FROM THERE, THERE IS ONLY THE ONE PATH TO A CLEARING AND THE HIDDEN PLOT WITHIN. LET THE HEART OF THE CARDS GUIDE YOU ALL. SEE YOU SOON."