Made a little list of some research I’ve made hopefully this is somewhat helpful. 

Pulsz Casino Sweeps

Offers like 30 sweepstakes coins and over 3000 Pulsz GC for under $20.

New sign-ups receive 5K GC and 2.3 Pulsz sweeps coins.

Stackr Sweepstakes

Rewards for daily logins and referral bonuses.

Users suggest ensuring purchases are completed to receive rewards.

Scratchful

Offers 2.5 Scratchful sweepstakes coins and 7K GC without any initial payment.

Sweeptastic Offers

Provides various bonuses including lucky coins.

Offers like 20K LC and 40 Sweeptastic coins for $19.99.