When River Herald Guide enters the battlefield, it 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 this creature, then put the card back or put it into your graveyard.)
Card Type
Creature — merfolk Scout
Rarity
Common
Edition
The Lost Caverns Of Ixalan
Condition
Near Mint
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