Some digital mechanics like seek and conjure are fun and will probably become evergreen in future Alchemy sets
The best commander really depends on what youre looking for
Elesh Norn, Mother of Machines This card is more for Brawl and Commander, but its also got a good stat line and can randomly shut down your opponents strategies in fun ways
So get yourself ready for a McDonalds drive-thru treasure hunt starting August 16
Granted, this path and the ones involving tokens lean a lot more in the combo direction than the mana acceleration direction, but its definitely worth noting Carnival of Souls capability of being useful outside unreliable 3-4 card loops in these strategies, as it gets a bad rap Im not convinced it fully deserves when reading about its capabilities elsewhere
For example, double-walled cardboard boxes are more durable and can provide better protection than single-walled ones