Forum:Poly with opponent's monsters

I just want to make sure, but can I polymerization with opponents monsters on their side of the field if its the correct monsters? I think its yes, just double checking. and also, if that's true, can I Fusion Gate with my opponent's appropriate monsters?

one more thing, all cards that special summons monsters from the extra deck have to say that it is considered a fusion summon or synchro summon in order for it to be considered a fusion summon or synchro summon, right? like fusion gate, it doesnt say its considered fusion summon, so its not, right? 67.170.58.90 (talk) 17:26, October 15, 2010 (UTC)