Truga Jungle is a common Plane — Ergamon card from Planechase 2012 Planes (OPC2), collector number 38. Current market price: $2.00, TCGplayer market prices via Scryfall.
All lands have "{T}: Add one mana of any color." Whenever chaos ensues, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest on the bottom of your library in any order.