Found a bunch of Chase flash offers on my wife's Chase Freedom card. My Chase Sapphire Reserve doesn't have any of them yet, but I noticed sometimes the offers pop up at different times, so be sure to keep checking!
These should be usable on DGCs, assuming your store has them:
CVS 20% back up to $5.00, Expires 10/8/22
HomeDepot 20% back up to $10, Expires 10/8/22
BestBuy 20% back up to $100, Expires 10/8/22
Dollar Tree 20% back up to $5.00, Expires 10/8/22
Also had a few good ones that can't be used on DGCs:
Shell (Fuel only) 20% back up to $5.00, Expires 10/8/22
Jimmy John's 20% back up to $5.00, Expires 10/8/22
Macy's Online Only 20% back up to $10.00, Expires 10/8/22
McDonalds 20% back up to $5, Expires 10/8/22