Elvish Reclaimer is a rare Creature — Elf Warrior card from Mystery Booster 2 (MB2), collector number 205. Current market price: $3.41 (foil $31.97), TCGplayer market prices via Scryfall.
This creature gets +2/+2 as long as there are three or more land cards in your graveyard. {2}, {T}, Sacrifice a land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.