Dreamscape Artist is a uncommon Creature — Human Spellshaper card from Ultimate Masters (UMA), collector number 52. Current market price: $0.36 (foil $0.75), TCGplayer market prices via Scryfall.
{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.