Piltager, Traitor King

Whenever Piltager, Traitor King deals combat damage, it deals 2 damage to you.
Tap X untapped traitors you control. Target player loses X life and you lose half of X life rounded up.
{b}{b}, target creature you control loses all abilities and becomes a 2/2 traitor until end of turn.
He feeds on cruelty, there is no other description possible.