I don't have the 1.9 snapshot so I can't test the loots table.
Note: Minify the command to avoid issues :)
Pink Sheep (From ExplodingTNT's YouTube channel)
Herobrine Boss (Super Hard)
Electric Stuff
Copper Ingots
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)