@Ultra:
I propose a game mode a tiny bit similar to Galactic War where every single toon must be 7* and can only be used once, measured so that you have to use all your toons to finish the mode. Repeats once/week. Replaces Credit Heist. The ultimate node is not allowed until you have 7-starred all toons in a large set (either a large faction like GalRep or a multi-faction group). If you complete the ultimate node, you get shards of a really, really good toon.
- Rewards breadth instead of focus in early rounds, rewards both in late rounds.
- Allows and even encourages a bit of sandboxing and squad-splitting/squad-mixing, but ultimate nodes still require a specific squad to have the best chance to succeed.
- Allows time-shifting at least some of your play to the day of the week when you most have time on your hands and there's the least other stuff going on in-game.
- Once per year it's supplemented with choice of one or the other (like TB) or just replaced with a new event starring a different faction. Doesn't need updating more often, since it takes at least 8 months to max the ultimate toon.