Peat Bog is a common Land card from Mercadian Masques (MMQ), collector number 322. Current market price: $3.05 (foil $73.22), TCGplayer market prices via Scryfall.
This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {B}{B}. If there are no depletion counters on this land, sacrifice it.