Kharoth, Lich Lord Summoner

While you're searching your library, you may put Kharoth onto the battlefield from the command
zone.
When Kharoth enters the battlefield, create X
2/2 black, green, and blue Zombie Wizard
creature tokens where X is the number of times
you have searched your library this turn.
{2}: Exile Kharoth. This ability costs {x} more to
cast where X is the number of times a creature
named Kharoth, Lich Lord Summoner has
entered the battlefield this turn.