Elvish Aberration is a common Creature — Elf Mutant card from Masters 25 (A25), collector number 167. Current market price: $0.12 (foil $0.34), TCGplayer market prices via Scryfall.
{T}: Add {G}{G}{G}. Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)