The reason that I go for Sakura-Tribe Elder as my Rampant Growth effect of choice is that the card meaningfully contributes to more archetypes while otherwise being functionally very similar
: Level 3 When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land
This'll only work in a few decks, but when it does, it'll be utterly ruinous
Ragavan, Nimble Pilferer Ragavan, Nimble Pilferer is an all-star in every format its legal in, so much so that it was banned in Legacy
you can play cards from the top of your deck with Falco Spara, PactweaverFalco Spara, Pactweaver, draw cards from The SwarmlordThe Swarmlord, make huge Hydras with Zaxara, the ExemplaryZaxara, the Exemplary, or dea damage with Shalai and HallarShalai and Hallar
most of the effects return creatures or nonland permanents to their owners hands, rather than removing them permanently