Grozoth itself isn't too impactful on its own, and he requires mana to even function
However, I dont usually recommend playing Blue Nami if youre new to the One Piece card game, since the deck plays a completely different strategy than other decks
This card is the reason why the format is balanced: as I said before, combo decks like Creativity and Belcher play various disruption spells (for one mana Veil of Summer, for zero mana Pact of Negation and Teferi, Time Raveler) so Force of Negation is the best answer to back up another counter, due to its unfair cost
Two to three business days later, it's at your door ready to gift, display, or slide into a top loader and never let go of
As soon as Godsend leaves the battlefield, the effect ceases and is never recovered