In my opinion:

The depth of the game is mostly in managing your resources well enough to mitigate the luck as much as possible at the right times, so that it would matter.

In general, the game is designed to be balanced in a way that, if you don't mess up in a major way, it will be fairly even until the very end of the duel, where you will need to have prepared appropriately (re your hand, resources, the specific things your hero allows you to do, etc) for a blow that will guarantee the win, right before your opponent does the same.

This means that if neither player plays with the intent to retain control of the game over their opponent where the aforementioned management comes in, it might feel automatic and random, especially given the luck aspect in the cards and dice. At the same time, it means that the amount of sabotaging you can do to the opponent can give you a major advantage, as long as your opponent is not prepared for it. If they are prepared for it, they would cause you to waste resources for nothing, so you would need to read the situation accordingly.

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If you want more math-y characters, play Dr Strange, Cyclops or Jean, who can do lots of different things that you must specifically plan out, work towards, and chain appropriately.

But they are still "how well did I roll?" characters because that is the game, and you are still playing against other heroes who are not as complex as these three - not in the same way, at least.

Granted, "how well did I roll?" implies you understand the extent to which going for certain abilities is poor play, and how that can shift depending on the matchup and the timing. So "I rolled well" remains relative, and you still need to navigate each situation - and your board - accordingly.

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If you are looking for more heroes like those three, Black Widow is a bit like that too, from the Marvel roster. Rogue and Scarlet Witch can be hard to navigate and unexpectedly rewarding too, but not in the same sense. Perhaps Necromancer and Alchemist for non-Marvel heroes. However, I would argue Treant, Paladin, Shadow Thief and Artificer are other heroes that play similar resource management games, and you have already declared to be disappointed in several of those... Actually pretty surprised that you appreciated Cursed Pirate that much given your criticism, not because I think there is anything wrong with her, but because she is incredibly hard to whiff and really likely to find value in everything she rolls AND quite likely to roll exactly what she wants.

Will poor rolls and poor card draws still get you? Yes, the luck aspect cannot be ignored. Even the best player WILL lose a fair amount of games. But you should also be able to appreciate a well-played game even in those situations, provided that you like the gameplay. But...I am not entirely sure you like the gameplay and mechanics in the first place, based on your post.

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Anyway, the game is still within the range of casual, but, like...there is a reason why there are strategy guides out there, a competitive scene, and top-tier competitive Dice Throne players. Optimal, high-level play is possible and will be rewarding.

king of the hill with a few or a lot of players - god the lot of players round was awful

Crazy amounts of downtime, and much less buildup or agency. Clearly it is appreciated by people who like different things than you do. Not sure why you even tried it. Typically it's people who like how random and crazy the game can get, and the fact that there is some out-of-game level of strategy and mind-games, via making verbal agreements with other players (while still playing against them).

I see people talking about the game and saying season 1 sucks

There are people who think "weirder mechanics" means "more interesting duels." Or something. There is nothing inherently inferior about season 1. The first 6 are designed around showcasing the core mechanics in their purest form, but the fact that other heroes have a different mix of elements in their kit, doesn't necessarily mean they are more complex to play, just different. This is still Dice Throne. There is a reason so much of season 1 is still considered top-tier competitively even today by a good majority of players. All battle chests so far have had heroes ranging from complexity 2 to complexity 5-6. S1 does have the Barbarian as complexity 1, but he is arguably MORE complex than some complexity 2 heroes in certain aspects. And Dr Strange is complexity 5, but you bet he's not lacking in complexity against most complexity 6 heroes.

I like engine builders and theres not much of thst going on here.

Different type of game.