I know you've probably heard this before, but I think it bears repeating.
The game's progress if far too slow, especially when certain versions can completely wipe out old progress and bugs can eliminate cards from your active deck.
For example, I accidentally opened up an old version of the game after having played the new one, and my active deck lost 5 cards... 5 cards which were introduced in newer versions. When I realized my mistake and went back to a newer version, those new cards were completely gone.
Similarly, if you try to sell extra cards that are identical to a card you have in your active deck, it will delete the one in your deck.
When you combine issues like that with needing to win minimum 3 matches at the highest difficulty in order to buy a single one of the new packs (a purchase which does not guarantee even a single unique unlock on multiple opens, and also doesn't guarantee 10 cards from that pack but mixes in useless, generic cards), that is just too much grind for too little reward.
I understand that you want to keep money cheats exclusive to your patreon members, and that alleviating the grind somewhat reduces the need for such a cheat, but the excessive grind also makes the game undesirable to play for those who can't cheat. At least re-balance the God difficulty matches so that three wins gets you closer to 2 new packs instead of 1. Right now, three wins gets you $450 with a complimentary pack which is largely useless except for the small amount of cash that selling those cards will bring. Make that closer to $800 (so maybe $250ish per match) or even $600 (so a pack and a half for 3 victories) and the grind would be significantly alleviated without ruining the value of the money cheat for patrons...
The $150 reward per God difficulty match made a bit more sense when the special packs were $250 each and there weren't that many of them. Now that most of the new content is in those packs AND they are $400 each, that just isn't enough. You have scaled up the costs while scaling down the rewards, which just makes it frustrating rather than rewarding.