Harsh Deceiver is a common Creature — Spirit card from Champions of Kamigawa (CHK), collector number 11. Current market price: $0.04 (foil $0.45), TCGplayer market prices via Scryfall.
{1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, untap this creature and it gets +1/+1 until end of turn. Activate only once each turn.