Thank you everyone for your answers! Seems like signature campaigns will be my first move.
Definitely. You can hire a signature campaign manager and check the list of best campaign managers here in the forum by navigating this thread:
https://bitcointalk.org/index.php?topic=4412712.0. It's not bad to conduct a signature design contest too since I haven't seen any recently that does it, it's a nice strategy too to promote one casino/product/company. Who else does agree?