Trick or Treat

When you tap mana to summon this card ask
each player "Trick or Treat?" but do not reveal
why.
When Trick or Treat enters the battlefield:
Each player that picked "Trick" must pay {2} or loose 2 life.
Each player who picked "Treat" gets a candy
token.
If you are wearing a costume when you summon
this sorcery, it cannot be countered.