These are filled to the brim with effect-granting songs, as well as an army of characters that can quickly Shift onto the board and sing them for free (Cinderella's a typical culprit)
This version of Jin-Gitaxias sees a good amount of play in Commander decks, as well as some Historic and Modern decks
The problem is that there are some obvious best decks in the meta as per all TCGs
These are usually independently-owned businesses that appraise, buy, sell, and trade Magic cards
Most modern Japanese sets guarantee at least one Super Rare or higher per booster box: some sets guarantee several illustration rares, art rares, and double rares per box on top of that
As a Monster, it can use more stat draining to help deal with the opponent's high Attack Monsters