Dominaria's Judgment is a rare Instant card from Planeshift (PLS), collector number 4. Current market price: $0.40 (foil $7.17), TCGplayer market prices via Scryfall.
Until end of turn, creatures you control gain protection from white if you control a Plains, from blue if you control an Island, from black if you control a Swamp, from red if you control a Mountain, and from green if you control a Forest.