Fertilid is a common Creature — Elemental card from Commander 2011 (CMD), collector number 154. Current market price: $0.23, TCGplayer market prices via Scryfall.
This creature enters with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from this creature: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.