If the card is a permanent, it's considered in play, unless it's a local enchantment
That said, there are some exceptions like Armorcraft Judge which actually has nothing to do with artifacts, instead focusing entirely on +1/+1 counters
Bastion of Remembrance survives your sweepers
card.shuffler.shaft.rubber-band.3mf Alternate version of the shafts that can accomodate a rubber band on the disks
Proliferating first means every planeswalker, creature, or permanent with counters gets stronger, then those permanents phase out, dodging almost any removal or wipe until your next turn
Between borderless mythics, showcase reprints, and special foiling techniques like Mana Foil and Fracture Foil, certain cards have quickly risen in value on the secondary market