Krenko Mob Boss Of All

"Mob Mentality": Whenever Krenko Mob
Boss attacks, creatures you control
get +X power until end of turn,
where X is the number of creatures you control.
"Boss's Orders": At the beginning of your end
step, create a 2/2 red Goblin creature
token with haste.
"Protection Racket": Krenko Mob Boss
gets +X power until end of turn, where X is the number of creature cards in your graveyard.