Da Undatakah is bugged with Test Subject

[Rhasimir-1573]

It is in the known issues list, hopefully it will be resolved with the next patch:

Known Issues List 2019 - Updated Dec 12th

April 3rd, 2019 Madame Lazul can emote during the Lich King encounter. Madame Lazul Hero Power is not animating in a match. Treant minion is missing its portrait art. April 4th, 2019 Quests that reward both gold and dust have the rewards displayed as a white box on the quest tile. April 5th, 2019 King Rastakhan Hero Power does not animate. Magni Bronzebeard Hero Power animation will play twice. Armor gain animation will play twice. The Quest popup after a match has ended can cause a full…

• Da Undatakah does not return spells if it gains the Deathrattle from Test Subject.