Hi
I already wrote this once, but TMD was down and after it got up again, my post was gone?!
Anyway I have a few questions that has come up in playtesting:
1) Say one have 1 island and 2 moxen in play and plays chain of vapor saccing the land to bounce both moxen. After replaying the moxen from hand again what is the storm count, given that the storm count is 0 when playing chain of vapor.
2) When activating belcher without any lands in the deck, does belcher do damage equal to the total number of cards in library or 0?
3) When revealing street wrait on a minds desire, can one cycle it? Furthermore can one cycle street wraith from the graveyeard when playing yawgmoth's will?
4) Having played a will with force of will in the yard and a blue card in hand, can one play force from the grave discarding the blue card from hand?
Thanks

1) The storm count will be three. Storm counts spells
played, and chain of vapor copies are put directly on the stack, and thus are not played. (Isochron Scepter copies, on the other hand, are played, because the scepter says play the copy.)
2) Belcher will deal damage equal to the number of cards in your library. This is because belcher doesn't say that you have to reveal a land.
3) No and no. You can only discard cards from your hand. That's one reason why they removed the "as though it was in your hand" from cards like will.
4) Yes. Unlike cycling, which specifies "discard" implying "from your hand", you can pitch a card from your hand rather than paying the mana cost of a Force of Will in your graveyard after playing Yawgmoth's Will because Force only says "rather than paying this's mana cost", which happens regardless of where it's played from. Note that since force specifies a blue card "in your hand", you can't remove a blue card from your graveyard regardless of whether you've played Will, but you probably already knew that. Also note that removing from the game is not discarding.