, Discard a card: Tomb Robber 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.)Most of our single cards are second-hand, carefully checked, but some can also come directly from recent openings.
The List
Rivals of Ixalan: Promos