Atalan Jackal is a rare Creature — Human Tyranid Scout card from Warhammer 40,000 Commander (40K), collector number 105. Current market price: $4.44, TCGplayer market prices via Scryfall.
Trample, haste Skilled Outrider — Whenever this creature deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.