Ally Encampment is a rare Land card from Battle for Zendikar (BFZ), collector number 228. Current market price: $0.56 (foil $5.54), 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.