head to head
Blood Bowl 2vsHearthstone
Blood Bowl 2 leans Variance (Grand Arena); Hearthstone leans Variance (Grand Arena).
Blood Bowl 2Hearthstone
Axis by axis
Execution0 vs 1
Hearthstone leans harder on execution: Clicks only, no mechanical skill
Reads6 vs 6
Even - both lean on reads about the same.
Variance8 vs 7
Blood Bowl 2 leans harder on variance: Block dice and failed pickups decide entire matches
Optimization8 vs 7
Blood Bowl 2 leans harder on optimization: Risk-ordering actions and team development are deep solvable craft
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

