They represent some potentially really powerful interactions when you look at formats with Stoneforge Mystic in, because the mystic allows you to fetch up equipment cards from your deck and even put them into play for a low cost
Ensure Victory with Smart Card Interactions and Choices Heighten your chances of winning by understanding card interactions in the One Piece Card Game, making the best possible choices during gameplay to outmanoeuvre your opponent
It just seems like it was a bit too good to miss out on with the many nice utility colourless lands and the various things filling up the graveyard
II Return target legendary creature card from your graveyard to the battlefield
But there are still some scenarios that encourage such a gamble mostly ones where you cant afford to go slow and safe: When you only need a specific card or type of card removal for their bomb, Duress to protect your combo, that sort of thing
Thwart the Grave Thwart the Grave is a great incentive for diversifying party types in your deck, but it also has some play in typal decks focusing on just one of these creature types