Each mode is situationally powerful, it supports various existing archetypes, and while being strong it does not dominate the game the way other three-mana Planeswalkers like Oko, Thief of Crowns have been known to do
There are many good things going on here and some variation is certainly worth trying out
Six highly-played $10+ cards is phenomenal value in a Commander precon, especially when some of those cards are actual lands
Firkraag, Cunning Instigator Firkraag, Cunning Instigator does a ton of work in any dragon deck that likes to get aggressive
Alongside that, they also make it so that any spell that deals damage to an opponent or their permanents will deal that much plus one damage instead
This seems like a decent card for casual Commander tables, but not one to bring out when you go above bracket two