Scholar of New Horizons is a rare Creature — Human Scout card from The Brothers' War Commander (BRC), collector number 6. Current market price: $1.17, TCGplayer market prices via Scryfall.
This creature enters with a +1/+1 counter on it. {T}, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.