Jadelight Spelunker [The Lost Caverns of Ixalan]Set: The Lost Caverns of Ixalan Type: Creature Merfolk Scout Rarity: Rare Cost: {X}{G} When Jadelight Spelunker enters the battlefield, 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.) The River Heralds found clues to a grand heritage below Ixalan's surface.