yugioh sylvan cards Waterslide Konami 1900/700 Sylvan Princessprite | Yu-Gi-Oh! Wiki

You see, I'd pitched Strixhaven as a set built around modal double-faced cards (MDFCs), but early exploration into their design made me realize that we had something bigger than just one set, so I decided to stretch the MDFCs to all three premier, non-core sets of the Magic "year." Zendikar Rising used their MDFCs to focus on cards that all had a land on the back face

While it's unlikely we'll see the mechanic come back there anytime soon, Wizards opted to bring it back here

It costs one more than Thirst for Meaning, but for a deck which is used to holding up four mana and doesnt want to use enchantments, thats a small price to pay

Because then blitzball was unlocked