Karthus, the Deathsinger

Deathtouch.
When Karthus, the Deathsinger is destroyed, put
a token that is a copy of Karthus, the Deathsinger except it has not this ability and has "At the end
of your next turn, destroy it".
{t}{x}{u}{b}: Karthus, the Deathsinger deals X
damage to each creature your opponents control.
"Press R to penta".