Eladamri, Lord of Leaves is a rare Legendary Creature — Elf Warrior card from Tempest (TMP), collector number 224. Current market price: $79.27, TCGplayer market prices via Scryfall.
Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.) Other Elves have shroud. (They can't be the targets of spells or abilities.)