Got this original link below from flybuys physical mail. I think it is open to anyone. Apply through the link here to get this offer.
https://www.coles.com.au/rewardsmastercard/50k
New customers who apply for a Coles Rewards Mastercard by Wed 31 July 2019 and make purchases (excludes Cash Advances) to the value of $1,500 or more in the first 3 months of the Account approval date will, within 3 weeks of meeting the required $1,500 spend, be credited 50,000 BONUS POINTS. The BONUS POINTS will be available on the flybuys account linked to your Coles Mastercard. This offer cannot be used in conjunction with any other offer.
50,000 bonus flybuys points can be converted to $250 flybuys dollars. Collect 2 points per $1 on eligible spend, approximately 1% cashback in flybuys points. $99 annual fee applies.
$50,000 worth of Flybuys points! Great value :p