Emperor's Vanguard [Ixalan]

Set: Ixalan Type: Creature — Human Scout Rarity: Rare Cost: {3}{G} Whenever Emperor's Vanguard deals combat damage to a player, 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.)