Miner's Guidewing is a common Creature — Bird card from The Lost Caverns of Ixalan (LCI), collector number 24. Current market price: $0.25 (foil $0.23), TCGplayer market prices via Scryfall.
Flying, vigilance When this creature dies, target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)