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.
This is called a five-card trick, and in some tables it beats anything except a blackjack.
if the blackjack is a natural i.e. you get 21 from the first deal, then no. But if the 5-card charlie comes after you have been dealt 3 or more cards, then yes
A jack card and a 10 card in blackjack equals 20 points.
blackjack
Euchre, blackjack, rummy, and solitaire are all card games.
The card game where you have to get 21 is called Blackjack.
Baccarat is a card game with similarities to blackjack.
blackjack
Euchre, blackjack, rummy, and solitaire are all card games.
Blackjack, that is an Ace with any 10 value card.
If the blackjack dealer hits a soft 17, they must draw another card.
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.