Nothing.
If the casino deals the cards face down you are only allowed to touch your first two cards. Only one hand on the cards. The hit cards are laid in front of the bet.
If the casino deals the cards face up on the table you are not allowed to touch them at all.
A jack card and a 10 card in blackjack equals 20 points.
There are no "tricks" in Blackjack. The term you are referring to is "5 card charlie", and no most casinos do not pay on it.
blackjack
Euchre, blackjack, rummy, and solitaire are all card games.
blackjack
Baccarat is a card game with similarities to blackjack.
Blackjack, that is an Ace with any 10 value card.
Euchre, blackjack, rummy, and solitaire are all card games.
I believe the name "blackjack" may have come from the fact that originally players were paid extra when they were dealt a spade-suited blackjack with an Ace and Jack.
no
World Series of Blackjack - 2004 Wild Card Tournament was released on: USA: 19 April 2004
The last card - the Ace - has a special value in Blackjack. It can count as either 1 or 11, with the actual number being dependent on what helps out the most with a particular hand. Being dealt an Ace and any face card is an automatic Blackjack and the player will be paid out 3:2 immediately.