Elvish Aberration is a common Creature — Elf Mutant card from Double Masters (2XM), collector number 165. Current market price: $0.27 (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.)