Cards List
River Herald Guide
The Lost Caverns of Ixalan (LCI)
Find the best Standard decks for River Herald Guide, it's winrate, popularity and the MTG Arena formats where it is legal!
Vigilance
When this creature enters, 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.)
Creature