Felidar Retreat is a rare Enchantment card from Phyrexia: All Will Be One Commander (ONC), collector number 66. Current market price: $1.97, TCGplayer market prices via Scryfall.
Landfall — Whenever a land you control enters, choose one — • Create a 2/2 white Cat Beast creature token. • Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.