Karthus, The Deathsinger

{b}{u}{2}: Karthus deals 6 damage split between one,two, or three targets.
{b}{u}{t}: Target creature cant attack or block.
When Karthus dies instead he gets indestructible
and you sacrifices him on your next turn.
When ever Karthus kills 5 or more targets in
a turn target player loses 10 life.