When this creature enters, it explores X times. (To have it explore, 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.)
Jadelight Spelunker has 5 listed printings; the most valuable is the Prerelease printing from PLCI at US$0.45 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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