COMPLETELY SHOCKING, IMPOSSIBLE CARD MAGIC!

Explain that you went to a casino the other night to play blackjack.

Show two cards, they are two black 9's.

Square up the two cards and re-spread them.
The two black 9's turn to two red 10's!
Next the
10 of Diamonds suddenly changes into a black Ace.

This Ace (NO Switch) is handed out to the spectator for inspection.

Now, turn the remaining card Face-Up, it's a BLACKJACK!