Kai, the cruel

{b/g}{b/g}: Exile a creature you control. That creatures
power is added to Kais.
If Kai the cruel is exiled, you may out im into
your hand after three turns.
Steal {2} (When this creature fights a creature, you
may pay 2, if you do the creature its fighting gets
-1/-0 and this creature +1/+0)