Ok, so I had an interesting situation come to mind during a game today, it didn't end up mattering because my opponent had the focus to pay for it but it could matter in the future and need to know how to resolve when it comes up.
Opponent uses Yavin 4 to reduce cost of Home one by 2.
Opponent discards 2 cards to pay the cost of the reduce and get the Yavin 4 interrupt.
I play it's worse cancelling his Yavin 4 cost reduction.
He doesn't get his cards back
He still tries to play Home One (and as above in this case he had the focus to pay it still)
But… what if he didn't? Say he only had 3 focus, and not enough to pay for Home One…. what happens? Does Home One go back into his hand? If it went back into his hand does he still pay the 3 he could before it goes back into his hand? Does it get discarded because he played it but didn't actually have enough to pay for it? Do I get to sue my opponent after he punches me in the face?
These are serious questions people.. any rulings on this yet? I have my opinions but would like word or inference from something official at least (I searched forums already as best as my meager brain could allow for.)