Idea for karthus passive.

I hope I'm not the only one who misses Revive+Teleport Karthus. I was just thinking the other day about how long it's been since I've even seen Karthus in one of my games. God, I probably couldn't even tell you to be honest (barring aram) So I tried to think of what could make him more....Fun to play.

How about this. Once Karthus gets killed and enters his current passive, it kicks in a secondary passive that reduces his death timer by X amount for every enemy hit by one of his skills (Not counting his Defile) I mean if you think about it from a gameplay standpoint, it's really cool.

Look at Sion for example. Once his passive is popped early game and he completely dies, he's almost up again. I figured why not do the same for Karthus. Considering he's already pretty lackluster, And his ult just got another huge counterplay ability cough cough ult cough cough