There are two (iirc) packages that provide 10,000 Moon Tears for $20 each. Both are worth it for light spenders, so this should be your priority after the monthly card.
Generally, these types of packages appear once every major event and last through the entirety of the event, giving you 15 days worth of rewards for completing dailies.
Most if not all boons had a reward at the end that is the value of the entire pass, with 15 days worth of stuff, including:
The best purchase for light spenders after monthly cards since you can get skins, shards and resources all together.
These change on every single event we get, and there are some good packages.
Light spenders: $5, $20 and $50 packs are worth for the pulls. The higher you go, the less pulls per dollar spent.
The rest are not worth it unless whale.
New players will have a few extra shop tabs they can take advantage of, considering for around $100 you can get close to 150+ pulls.
As a general rule of thumb, only buy packs that give you 1 or more pulls per dollar spent if you are a light spender.
Whales can ignore this rule and also focus on getting resources of course.