Kel'Thuzad

When Kel'Thuzad loses Immune, gain control of up to one target raiding ally. Then, search a raiding deck, graveyard, hand, and removed from the game zone for up to one ally each and put them into play. At the end of your turn, flip Kel'Thuzad. At the end of each raider's turn, Kel'Thuzad deals 30 frost damage to his hero. Any raider: Exhaust a Melee card you control => This turn, prevent all damage that would be dealt to your hero this way.