Unusual blackjack???

Okay, to start I'm not the type to normally go and spend real money so I can try to gamble it for more witrh SL, but there's exactly what happened last night. I was at the Jokers casino (one of the newest ones) and I turned around 1200 $L into around 7200 $L, but I did this after some failures and buying more money. I went to sell most of it online so I could earn the money back I had spent with some leftover. I put 5000 on the market. Then I returned to my game for a few more rounds of blackjack, but after that it seemed like the dealere would continusously get 19,20, or 21 without fail! I'm not talking just a few rounds either, more like twenty or thirty. I lost all my money before it could even get on the market. It seemed like the game got 10x harder after I tried to sell my $L...It also seems like whenever I get over 7,000 $L the game gets a lot harder too. There were multiple times when I had 7k, tried to make more and lost half, earned it all back, then repeated the process.
Am I just crazy or is there anythingI can do??? should I make some kind of report?

Dont gamble, theres no way of knowing if it cheats or not, seems most have payout % after getting % in tho, but i wouldnt trust it one bit.