How many cards do you need to play magic

[Psyduck]

How many cards do I need to start playing magic??

[Twanos]

The 60 for your deck

[seba1983]

if your just starting out just ignor what i'm saying here it will only confuse you.

60 cards is correct but not the whole truth. in limited you only need 40 cards. in tournaments you will also want a sideboard. a sideboard has exactly 15 cards or 0. also some variant formats use other deck construction rules. EDH for instance uses 99 card deck (fixed no more or less) + 1 general ...