Seething Landscape is a common Land card from Modern Horizons 3 (MH3), collector number 225. Current market price: $0.27 (foil $0.33), TCGplayer market prices via Scryfall.
{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle. Cycling {U}{B}{R} ({U}{B}{R}, Discard this card: Draw a card.)