The complexity and scope of the job system, as well as whether or not characters are capable of changing jobs, varies from game to game
Amber brings healing and supportive characters that allow you to recover from early aggression, while Amethyst adds tricky control tools that can block, bounce, or stall your opponents biggest threats
On top of that, it makes spells cast from the graveyard cost 2 less, and it gives mayhem to every non-land card in the graveyard
Complexity runs from approachable (Naya) to deck-building delights (Esper), so both newbies and grizzled planeswalkers will find their sweet spot
As I said, I've been enjoying my admittedly small back yard more than ever before and I've done more household projects this year than in any the previous 10 or even 15 years as a homeowner
Hybrid mana gives you great flexibility when considering what cards to include in your deck