Emperor's Vanguard - Prerelease Promo (Foil) (PXLN) from Ixalan, available at 401 Games Canada.

• Rarity: Rare
• Finish: Foil
• Artist: Victor Adame Minguez
• Card Text:
  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.)