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.
Near Mint - $200
Lightly Played - $200
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $200
Lightly Played Spanish - $200
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100
Foil Prices
Near Mint Foil - $200
Lightly Played Foil - $200
Moderately Played Foil - $200
Heavily Played Foil - $200
Damaged Foil - $100
Near Mint Foil Spanish - $200
Lightly Played Foil Spanish - $200
Moderately Played Foil Spanish - $200
Heavily Played Foil Spanish - $200
Damaged Foil Spanish - $100