Faeburrow Elder is a rare Creature — Treefolk Druid card from Throne of Eldraine (ELD), collector number 380. Current market price: $10.79 (foil $43.57), TCGplayer market prices via Scryfall.
Vigilance This creature gets +1/+1 for each color among permanents you control. {T}: For each color among permanents you control, add one mana of that color.