digimon classic collection booster box Digimon: 8 Super Rares DIGIMON CARD GAME EX01 EX1

Well, until last month when they changed it as part of the Kaladeshi Updates

Despite this seemingly strong effect, it hasn't seen much competitive play

GSE Gold Secret Junk Changer X EARTH Level 3 [ WarriorTunerEffect ] ATK 1500 DEF 900 You can only use the following effect of "Junk Changer" once per turn

you can target 1 Level 6 or higher DARK Fiend-Type monster instead

When players get their hands on the new cards, they quickly discover the most powerful options, especially cards that create strong combo effects with existing or older cards

As an aside, the Signets are significantly worse being that much more awkward to use immediately