Boseiju, Who Shelters All is a rare Legendary Land card from Champions of Kamigawa (CHK), collector number 273. Current market price: $17.77 (foil $74.00), TCGplayer market prices via Scryfall.
Boseiju enters tapped. {T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.