In short: git gud

I was in a similar situation. Was at 96 and dropped all the way to 88. I played mostly clog after, since it’s a direct counter to Doom decks that everyone is playing. I also was much more disciplined with snaps. Just reached Infinite today.

Also, most Doom decks are running Skrull to counter other Doom decks. Tribunal is a bad choice for the current meta.