Retreat to Hagra is a uncommon Enchantment card from Battle for Zendikar (BFZ), collector number 121. Current market price: $0.54 (foil $14.26), TCGplayer market prices via Scryfall.
Landfall — Whenever a land you control enters, choose one — • Target creature gets +1/+0 and gains deathtouch until end of turn. • Each opponent loses 1 life and you gain 1 life.