Forum:Can you add 3 field cards in your deck

ok so i was battling with my friend who has 3 field cards on hes hand and he use them all at once first he use de-spell because it is a spell card then put down another field card so he can special summon a card then he distory the card again with mystical space typhoon and then put down the same card from hes hand, so my question is can you have 3 field cards on your deck 1 differences and 2 the same and one is forbidden