Haunted Screen is a uncommon Artifact card from Duskmourn: House of Horror (DSK), collector number 250. Current market price: $0.17 (foil $0.26), TCGplayer market prices via Scryfall.
{T}: Add {W} or {B}. {T}, Pay 1 life: Add {G}, {U}, or {R}. {7}: Put seven +1/+1 counters on this artifact. It becomes a 0/0 Spirit creature in addition to its other types. Activate only once.