hmm...now RHB Shell go to the bottom of my list

u can try
1. HSBC Amanah MPower - Petrol, Groceries, ewallet (rm15 each categories ) total CB = Rm45++ , min spend rm2k
2. UOB One Clasic - 10% CB - Petrol, Groceries, Dining, Grab total CB =40++ ,min spend rm800
3. MBB Ikhwan Amex - For Spaylater + Agoda +Online spend , 8% CB
4. MBB Ikhwan Platinum - 5% CB - Petrol + Groceries , Friday & Saturday only

As soon as cb terms of RHB Shell was revised, I applied for UOB One Platinum. Now waiting to collect card.

For local spend, my cb line up are:
Maybank Ikhwan Amex - RM50 cb @ 8% spend RM625
Maybank 2C Amex - RM50 cb @ 5% spend RM1000
Affin DUO+ - RM50 cb @ 3% spend RM1667
Bank Islam Platinum - RM30 cb @ 3% spend RM1000
Alliance VS - RM55.5 cb @ 1.85% spend RM3000
(New) UOB One Platinum - RM60 cb @ 4% spend RM1500

total is RM295.5 cb @ 3.36% spend  RM8792. alright lah