Most obviously, you can use Powerstones to cast artifact spells, like the retro version of Scrap Trawler from the Brothers War bonus sheet, which reads, Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value. Wait, lesser mana valuelesser mana value than WHAT
You get an emblem with "Creatures you control of the chosen type get +3/+3 and have vigilance and hexproof." The effect of Oko, Lorwyn Liege's first loyalty ability lasts indefinitely
I'm in the US will I pay tariffs
If there's an enchantment that you'll really want to load up with time counters, it is As Foretold
Sources without payoffs is the trap everyone falls into
While ultra-rare vintage cards remain highly insulated, many modern hits and over-hyped promos have experienced severe price corrections