Shish-Ka-Bob the Sardonic

If this is cast for its base cost, exile it.
2{r/w}{r/w}: Shish-Ka-Bob the Sardonic is an
enchantment. Enchant target player as a curse
and that player can no longer talk, and must
communicate by humming.
4{r/w}{r/w}: Shish-Ka-Bob the Sardonic enters play
as a copy of any creature with any time it attacks,
it goads all opponents to attack each other until
someone is out of the game.