The Lost Caverns of Ixalan

Mineshaft Spider | Creature | Spider | Reach When Mineshaft Spider enters the battlefield, you may mill two cards. (You may put the top two cards of your library into your graveyard.) | Sam Rowan

Pathfinding Axejaw | Creature | Dinosaur | When Pathfinding Axejaw 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.) | Raoul Vitale