Retreat to Emeria is a uncommon Enchantment card from Battle for Zendikar (BFZ), collector number 44. Current market price: $0.27 (foil $2.43), TCGplayer market prices via Scryfall.
Landfall — Whenever a land you control enters, choose one — • Create a 1/1 white Kor Ally creature token. • Creatures you control get +1/+1 until end of turn.