Contested War Zone is a rare Land card from Edge of Eternities: Stellar Sights (EOS), collector number 143. Current market price: — (foil $4.86), TCGplayer market prices via Scryfall.
Whenever a creature deals combat damage to you, that creature's controller gains control of this land. {T}: Add {C}. {1}, {T}: Attacking creatures get +1/+0 until end of turn.