one piece 500 years in the future booster box Card Game: This package includes many ways to strengthen leaders from previous sets BANDAI One Piece TCG Booster

My research leads me to believe it was either Skaff or Jim that came up with the original flavor text (it was created in an Ice Age design meeting, and everyone's memory is a little fuzzy), but Darla Kennerud (one of the Magic editors at the time) came up with the idea of framing the line by having it be Hans's sister Saffi who said it, and it being her last words

If you control none of the three at that time, the ability won't resolve and you'll get nothing

And let's not forget split cards

Kaseto, Orochi Archmage, in my mind, is a solid example of what I believe we are currently missing in a Commander product cycle where the decks are tied to the Standard-legal product