Kel'Thuzad, Frost Lich

+1: Tap up to two target creatures. They don't untap during their controller's next untap step.
0: Sacrifice a creature. Put a number of loyalty counters on Kel'Thuzad equal to that creature's converted mana cost.
-10: Put X -1/-1 counters divided as you choose among any number of target creatures, where X is Kel'Thuzad's loyalty as you activate this ability.