>>544938663
I doubt it. Like other anon said, I saved insane shit with full legendary + mythic gear.
I think it's just cards:
>divine epiphanies
>copies
>how many basics you have
>small deck
>MONSTER CARDS specially
All weight your deck heavily
Characters like Mei Lin are easier to build because it's optimal to leave 2 strikes with her so it's rare they nerf the deck since they consider 2 basic cards bricks