Ally Encampment is a rare Land card from Battle for Zendikar Promos (PBFZ), collector number 228s. Current market price: — (foil $4.89), TCGplayer market prices via Scryfall.
{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell. {1}, {T}, Sacrifice this land: Return target Ally you control to its owner's hand.