You can sign up for the new TR credit card at www.totalrewards.com/creditcard after April 1st.

Caesars says about the new card:

you will earn even more Reward Credits®! Each month, you may earn unlimited Reward Credits®!
◦5X Reward Credits for every $1 spent at Total Rewards® resorts and casinos (5X earning based on 4X through the use of the Total Rewards® Credit Card and 1X with the use of your Total Rewards® card at the time of purchase at a qualified outlet)
◦2X Reward Credits for every $1 spent on airlines, gas, and groceries
◦1X Reward Credit for every $1 spent everywhere else Visa is accepted

In addition, we’ll jump-start your earnings by awarding up to 10,000 Reward Credits®! You will receive 5,000 Reward Credits after you make your first $250 in purchases. You will receive an additional 5,000 Reward Credits after you make an additional $500 in purchases.