These cards are generally reprints of Super and Ultra (and in the English game, normal Rare) cards of the recent sets, within those recent sets (meaning that you can sometimes get an Ultra Rare card and its Ultimate Rare counterpart in the same set)
One seller I like in particular tends to grade their cards one tier lower than I personally wouldtherefore, I trust their damaged cards to be on par with heavily played condition
Joe Soh took down Grand Prix Kobe 2017 (modern) with White-Black Eldrazi
Next, some Eevee evolutions
This document will explain tournament formats, required tournament materials, card legality, and other topics you need to know in order to enter a tournament
Pokemon Battle Partners has revealed some exciting cards