ImmuneWhen Gothik enters play, see Gothik rules.
Once per game: At the start of your turn, put two Unrelenting Riders into play.
When the last Spectral ally leaves your control, flip Gothik.
BACK: On your turn:

Gothik deals 4 shadow damage to target ally.
When Gothik is destroyed, he deals 4 shadow damage to each raiding hero.