For Wanda it basically Candyman. One must walk in a dimly lit room with the door locked. One must Hold a switchblade and a group of pearls. In front of a mirror one must say her name in her name in Russia and she will appear. She will tear your throat out but you can fight her back with the switch blade or offer her a song or ptichye moloko, A Russian desert 

Here Wanda, Enraged by her murder and being woken from her slumber. She coming to kill those that woke her