Beast-Kin Ranger is a common Creature — Elf Ranger card from Foundations (FDN), collector number 100. Current market price: $0.19 (foil $0.20), TCGplayer market prices via Scryfall.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever another creature you control enters, this creature gets +1/+0 until end of turn.