Regarding the mistakes – I rarely play perfectly; I mostly rely on my intuition:D
Dyra's first spell was Hive on the mages because I wanted to eliminate them in a line.
The Druids' lightning spell – I FORGOT ABOUT THE MIRROR (yes, it happens), and I remembered later when I started staging the attack. By the way, nothing useful came out of the staging, but Dyra was winning.
I started grouping Dyra's troops by chance, not because I was relying on the unicorn aura. But I think the battle was already decided by that point.
I didn't summon a Phoenix for Dyra because I was afraid that Jaleel would take the initiative, and Dyra has little mana, so there wouldn't be enough for anything else besides the Phoenix. I was probably wrong, as Dyraeli with a Phoenix and mana from the Druids is stronger than Jaleel's (+ luck and sworn).
I still think Dyra has the advantage in this matchup, although that's just my opinion (I play Jaleel very poorly).