This one-colourless-cost Sweets Overload move deals a pretty poor 40 damage, but it gets another 40 added every time one of your Pokmon uses Sweets Relay
Mill never had the right support to dominate any format, and if the milling failed, the mill deck would be too far behind in the game and lose but in Commander, even with 99-card decks, mill might work with creatures like Bruvac, the Grandiloquent around
Unfortunately, the decks archetype doesnt look like it will make a good starting point for truly competitive play
If you're looking for sleeves, mats and other accessories for One Piece Card Game, clickon this link
On top of all of this, it is graded a PSA 10
Depending on the number of permanents 2 CMC or lower, you could be looking at 10+ extra mana for the turn that you cast it