It only costs 1250 for 25 shards, 3750 for 2*, 7.5 for 3*, 15k for 4*
at 2* you'll probably get at least 12% each, worth for landos and howletts to do half now and half on rerun.
This is why you don't buy every unit as soon as they came out.
The fact this wasn't limited should give you enough time to save by times the shard came out once again.