Sphinx of Uthuun [Commander 2014] SPA Mensajera silvestre Set: Onslaught Type: Sorcery Common

Set: Onslaught Type: Sorcery Common Cost: {3}{R} Destroy target land

Set: Kaladesh Promos Type: Artifact Creature — Construct Mythic Cost: {4}{B}{B} Menace When Noxious Gearhulk enters the battlefield

Set: Duel Decks Anthology Type: Sorcery Rarity: Common Cost: {1}{R} Spitting Earth deals damage to target creature equal to the number of Mountains you control

That creature's controller reveals cards from the top of their library until they reveal a creature card

and that may answer

Sphinx of Uthuun [Commander 2014] SPA Mensajera silvestre Set: Onslaught Type: Sorcery CommonSet: Commander 2014 Type: Creature Sphinx Rare Cost: {5}{U}{U} Flying When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.