Dungeon Descent is a rare Land card from Adventures in the Forgotten Realms Promos (PAFR), collector number 255p. Current market price: $0.44 (foil $0.61), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. {4}, {T}, Tap an untapped legendary creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)
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