I really like this guide - mainly bc it shows what is strong scaling and a combo for one clan but you can modify the supporting pieces based on your ally clan.
Or if you just want the win force Baron-Endless Tomb combo

Luna Coven Selene Acolyte is op, had over 450 damage, fast and sweep every turn with the right set up.

the greatest combo ive found:
Starting relic Blood of the Apex (+2 attack on a weapon permantly if the unit gets a kill)\
Any sweeper
The +15 attack quick dagger
Then dupe the dagger any chance you get

I feel like you're forgetting the classic Any Clan(That has a sweeper)+Banished combo of everlasting light+a sweeper(preferably a quick sweeper with multistrike and/or dualism)+trample

Banished + Underlegion

Um... can't you just do that with Underlegion and any clan in the first place? Not really that much of a combo.

The black and red dudes from the first game is also pretty damn good.

Had a run recently with Melting Remnant and Banished. If you get burn out Rector, Cleave, Emot's Tome as well as some healing/ burn out extension cards, then this is an easy win. Even Savage Seraph stood no chance.

Melting Remnant + Lazarus League
Little Fade + Test Subject Alpha + Brain Transfer + Organ Harvester
Reset until you get Test Subject Alpha as a starting unit. Desired upgrades are Multistrike and Largestone, for early bulk. Multistrike is more important.
Little Fade needs to take Eternal Flame for Endless and stacking stats.
First off, you need to acquire Brain Transfer and upgrade it with Intrinsic and Holdover.
Acquire Organ Harvester and make it a Deploy item. Fuse it with whatever you like, if you have a good 2nd Equipment, like the sword that gets +1 from kills. Equip on Alpha Test subject.
Every turn, summon Little Fade, Scrap for Parts if you have the spell (you get her right back), buff her stats with whatever you can, then Brain Transfer her.
Start on top row, and you literally can't fail.

nice this helped me beat the titans ty

Good suggestions and clarifications how to use them.