head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Reads · Grand Arena
A turn-based wizard duel mixing bluff, spell-cast odds, and tactical board control.

Reads · Mind & Math
A card game emphasizing priority-based reads over raw draw variance.
Chaos Reborn leans Reads (Grand Arena); Legends of Runeterra leans Reads (Mind & Math).
Chaos Reborn leans a little harder on execution, though the gap is small.
Chaos Reborn
Clicking units involves no twitch dimension
Legends of Runeterra
Clicks only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Chaos Reborn
Bluffing illusion spells against human wizards is central
Legends of Runeterra
Alternating priority and spell mana create bluff layers
Chaos Reborn leans a little harder on variance, though the gap is small.
Chaos Reborn
Spell-cast success and draws are dice-driven
Legends of Runeterra
Less draw RNG than peers but still present
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Chaos Reborn
Board control and creature trading reward solid theory
Legends of Runeterra
Tight deckbuilding and sequencing math
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.