At the beginning of the game Seven.
During the game, you can have a unlimited numbers of cards in hand.
However, during your discard phase (before the end of the turn) if you have more than seven, you must discard as many cards to keep seven (except when a spell (enchantment) or a effect in play authorizes more than seven cards during this phase).
NB: Starting hand sizes can be modified during game variants, like Vanguard.
In Magic: The Gathering, you typically draw one card at the beginning of your turn.
In a deck of Magic: The Gathering (MTG), typically there are 4 copies of a card included.
In Magic: The Gathering, a deck can have up to four copies of the same card, except for basic lands.
In a Magic: The Gathering deck, you can include up to four copies of a card, unless the card specifies otherwise.
The odds of drawing a specific card in a game of Magic: The Gathering depend on the total number of cards in your deck and how many copies of that specific card are in the deck. If you have a 60-card deck and 4 copies of the card you want, the odds of drawing it on your first turn are about 6.7.
There are over 20,000 different cards in Magic: The Gathering.
There are over 60 Magic The Gathering FAQ on WikiAnswers.
There are currently 10 dual lands in Magic: The Gathering.
There are over 1,000 legendary creatures in Magic: The Gathering.
In a game of Magic: The Gathering, you start with seven cards.
In Magic: The Gathering, the dredge mechanic allows players to put cards from their graveyard back into their hand by skipping their draw step and milling cards from the top of their library. The number next to "dredge" indicates how many cards can be put into the hand this way.
A Magic: The Gathering deck typically consists of 60 cards.