helmeppo one piece

It's true that your Helmeppo can decrease a card's cost by 2, but if you're more concerned about getting cost reduction part of his card to give you value, there's other cards that can do it better or equally as good, such as 2-cost Sengoku who also gives a card -2 cost by attaching 1 Don!! (and he's also a 2000 counter), or even Starter Deck ... ost one piece list