While this term is more popular with modern sets, you can think of legendary cards like Trophy Pikachu editions (Gold/Silver/Bronze) or the Victory Orb promo as the vintage equivalent, prized for their flashy and exclusive designs
You cant play it in an aristocrats deck though since it needs to receive damage, so its a fine blocker at best
I've got a few other tricks up my sleeve, like Rite of Replication, Strata Scythe, and Stoneforge Masterwork, but I've left out a lot of Blue staples
The company have announced it will be releasing the TCGs fourth set in local stores on May 17th, with a wide retail launch from May 31st
Ob Nixilis is seeing play in Modern right now in midrange and Mardu Energy, one of the decks poised to enter the spotlight after Nadu flies off
Emerald Rogue is basically Emerald with lots of revisions