What I found as I dug into the market was a niche of card collecting that had a number of ways in which you could build a traditional "top 20" styled list and there was a lot to consider in refining a list
8 Tony Tony.Chopper (Treasure Cup) - $398.86 If you are a big collector or someone who loves to bling out their deck, and you are not that bad at the game, then a trip to your nearest Treasure Cup event will yield the best kind of promo cards for your binder
However, when you bid on the wrong item or decide an item is not suited for your intended use, our clients are not willing to assume the cost of your mistakes
Of course, once you got an elemental in play permanently, you could continue to flicker, clone, and otherwise recur the ETB through all kinds of means
Im not going to parse out the best or worst ones here, but they all kind of fit the description