Kel'Thuzad

Hexproof
Whenever you return a card to the battlefield, Kel'Thuzad gets +2/+2
All creatures have {b}{b}: Return this creature
to the battlefield tapped
{u}{u}{b}{b}: Return Kel'Thuzad to the battlefield,
he gains haste an +1/+1
{1}{u}Counter target spell