Play Decks Onlines Is The Standard Rule For Mgt Casual Play That Decks Have To Be 41 Cards And Up?

Is the standard rule for mgt casual play that decks have to be 41 cards and up? - play decks onlines

I bought a packet of introduction and back, said he has to play a card with 41 ready to bridge. This means that the minimum number of cards you will be casual gaming 41?