The defining strength here is repeatable card advantage from the command zone
As the game goes on, and you accumulate more land, you can play more powerful effects
Before we get into the mechanics of reading these cards, its worth understanding why so many UK collectors gravitate towards Japanese releases
Notable about Rootha is that she cares about the mana value, not the mana cost unlike some cards, which means that spells that reduce their cost are fine here, and that she only rewards one spell on your turn, so to maximize her you want to lean into those elements
With Darkrai Vstars Star Abyss ability allowing the player to, once per turn, put up to two item cards from their discard pile into their hand a Pokmon TCG player can power up their Darkrai Vstar card with dark energy cards by combining it with Dark Patch, before unleashing a devastating Dark Pulse attack once they put Darkrai Vstar into play
Regardless of your opinion, Nethroi, Apex of DeathNethroi, Apex of Death's ability is a strong recursion piece to include in your Abzan deck