Here are some examples of proxies on their front face, with alternate art, frame, or rules text: Usage Counterfeits are cards that simulate legal and real cards, so people usually play counterfeit cards at the FNM level or at sanctioned tournaments
As LaboratoryManiac puts it, Well the cards may be worthless, but at least the frames are ugly. Flavor-wise, many players are disappointed with how the chosen legends match up with the Thunder Junction theming
PRODUCT HIGHLIGHTS Official One Piece trading card featuring Monkey D
Plus, for four mana and tapping the card, you'll only get to proliferate once
What a twist
It obviously has a home in blue control decks, but I dont think they will want to play the full four copies of the legendary enchantment, even if it isnt too bad in multiples, as you can have one transform into Azcanta, the Sunken Ruin while the other stays on the enchantment side