Truga Jungle is a common Plane — Ergamon card from March of the Machine Commander (MOC), collector number 161. Current market price: $0.30, 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.