pokemon dark phantasma booster box S10a (20 pack) Made in Japan Korean Dark Phantasma (s10a) Booster

Commanding the waves are three brand-new dual-class heroes, each navigating the perilous waters of Rathe with bold, never-before-seen strategies that push the boundaries of game design

So in this scenario the Shadow Tag effect would still work

in 60 card this seems pretty potent though

Tarkir: Dragonstorm and Edge of Eternities also had some really powerful designs, and while they weren't my favorite Limited environments, they definitely added some great cards to Standard (honorable mention, Consult the Star Charts)

The Reunion , Sacrifice a modified creature: Return this card from your graveyard to the battlefield tapped

Its valued by players because it gives them the ability to bring cards from the graveyard back into their current decks, which may prove crucial depending on what cards there are to be resurrected