Growth Charm

• WWizards of the Coast2019-11-12
  Official Ruling
  Regrowth means “Return target card from your graveyard to your hand.”
• WWizards of the Coast2019-11-12
  Official Ruling
  Each mode uses a card name as shorthand for its text. Growth Charm’s name is still Growth Charm, no matter how it grows.
• WWizards of the Coast2019-11-12
  Official Ruling
  Rampant Growth means “Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.”
• WWizards of the Coast2019-11-12
  Official Ruling
  Giant Growth means “Target creature gets +3/+3 until end of turn.”

Rulings via Scryfall