Silverglade Pathfinder is a uncommon Creature — Dryad Spellshaper card from Mercadian Masques (MMQ), collector number 270. Current market price: $0.37 (foil $13.08), TCGplayer market prices via Scryfall.
{1}{G}, {T}, Discard a card: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.