I'm still working on the next actual part of my ISO economy series, and Kabam is doing everything possible to
distract,
divert, or just plain
detonate my analysis there. So it'll probably be a while yet. And in another attempt to basically say "ISO problem, what ISO problem" Kabam stuck a gigaton of ISO into the Bauble Bubble Boobie Banana Babushka Bahama Mama Bonanza Blowout Banquet objectives. How many?


Every day, five "Battle Scarred" objectives that contain one ISO selector (which contains ten tier 5 ISO bricks) and five "Mint" objectives which each contain two ISO selectors. That means every day it is possible to collect a total of 1x5x10 + 2x5x10 = 150 Tier 5 ISO bricks. A Tier 5 ISO brick is worth 5k ISO, but if applied to the appropriate class gets a 50% bonus so that is actually 7.5k ISO per brick. Which means every day, it is possible to collect 150x7500 = 1,125,000 ISO. Across seven days, that's 7,875,000 ISO.
That's enough ISO to take a 6* champ from rank 1/1 to rank 5/65 (5,152,491) with enough left over to take another 6* from rank 1/1 to 3/45 with about 200k ISO left over.
It is probably the easiest rapid source of ISO in the game. For players short of ISO, they should try to knock out every single one of these objective every single day (they aren't hard). If you're short of gold, you should also do them as they not only get you goldpool crystals, you can also sell ISO for gold.
PS: Pro-tip. If you're having trouble with the Deadpool objective because you don't have Redpool, you can use your once a day redeal option to randomly change that one (the circle-y button just above the "GO NOW!" button).
You don't need to do all of these objectives every single day to max out the milestones in the Bauble Bubble Bullet Backdraft Belt Buckle event, but if you're short of ISO or Gold or both, you should probably do all of them anyway. This is a staggering amount of ISO for relatively little effort.
It is already day three, but there's still five days left. Hopefully this helps someone out there scrambling for ISO or Gold and might not have realized just how much ISO is in those objectives.