Yugioh effect?

Question

creature swap : do u have to have a monster on ur side of the field for creature swap to work and does the monster stay with u until the end of the turn or for the rest of the duel. it does it say until the end of the turn.

Answer 1

yes you each have to chose a monster to switch and it does stay switched to the other player till it dies, then it goes back to your own graveyard. If you need more help go to.

http://yugioh.wikia.com/wiki/Creature_Sw...

Answer 2

Yes you have to have a monster and i am not sure if it is for the duel or the turn.

Answer 3

yes and when you do you keep each others monsters until there sent to the respective owners hand or graveyard

Answer 4

both players must control a monster for creature swap to work. and the players keep the monster forever after creature swap's effect resolves