ooh, there should be an applenova coliseum, with different mob spawners behind different gates. Break down the gate and all the mobs rush out, only to find other mobs are the only thing in reach.
Cue the death fest while AN minecrafters watch from the stands, high above the mobs.
Could even place bets on which set of monsters will win out, zombies, spider or skele's.
Google is your frenemy.
Caveat Emptor - Latin for tough titty
I tend to interpret things in the way that's most hilarious to me