Some are extremely powerful but represent an underwhelming creature type, while others fit with a popular creature type but have competition with much more popular lords
Gum-Gum Giant is different though.\ Used mostly in OP09 Black Purple Luffy, this card will be an excellent defensive tool for blocking attacks, all while drawing a bit deeper into your deck
One game I tried to be extra conservative with my cards in order to avoid this problem, but by not playing many cards early on, my opponent was able to quest without consequence and gain a huge early lead
Celestial Judgment, 4WW: a good boardwipe that can exclude your own creatures from it
Even discarding lands is detrimental to opponents as it prevents them from double spelling or casting their big spells late game
Murders at Karlov Manor was designed and balanced with Play Boosters in mind