digimon chain of liberation booster box Liberator which has already powered up many decks Digimon Card Game Digimon Liberator

Wizards had only officially started supporting the format a few years before and didn't really know how to design for the format, which led to a string of super-overpowered mechanics and cards

Master Duel, first enter Deck from the main menu

Digital Games optimized for modern play: The YuGiOh

These are the sorts of cards that end up getting banned - either Semi-Limited, Limited or Forbidden - because they: Are inherently too powerful (normally in combat power)

For all its glitz and glamor, it's not an immensely powerful card, and it really only fits in decks that either care about counters or intend to gift your opponent creatures, as with Grismold, the Dreadsower and friends