Best small business Visa/Mastercard to accrue Qantas points ?

Hi , I have an AMEX Gold Credit Card for business expenses which allows me to accrue Qantas FF points on purchases ( including 50% of $ value of tax payments made on this card to the ATO ) . As many places don't accept AMEX anymore l need to find a good Visa or MasterCard that l can use to pay expenses for my small business. My preference is to find a card that maximises Qantas FF points ( eg , max upfront points upon joining then max points on purchases ) . Does anybody have any thoughts on this ? Thanks  

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