Set: The Lost Caverns of Ixalan
Rarity: Rare
Card Number: 0196
Printing/Finishes: Normal & Foil
Colors: Green
Mana Cost: {X}{G}
Mana Value (CMC): 1
Power: 1
Toughness: 1
Subtypes: MerfolkScout
Release Date: 2023-11-17
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.)
The River Heralds found clues to a grand heritage below Ixalan's surface.