In truth, I think of them more as the face of chaos decks than any other general
The combination of two Floodborn characters, Fairy Godmother, Mystic Armorer, and Madam Mim, Rival of Merlin, creates a powerful synergy that will allow you to rush out cards with +3 Strength and run them into your opponent's board, then return them to your hand to be played again
Overall, it looks like a very good card that can fit in both tempo decks and bounce decks, so I think it definitely sees play
The Mountain Though mountains now rise in front of you, this is not your first time along the trail
For example, if the creature card returned by Defossilize is somehow not a creature once it's on the battlefield, it can still explore