The Lost Caverns of Ixalan

Calamitous Cave-In | Sorcery | | Calamitous Cave-In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard. | Diego Gisbert

Rumbling Rockslide | Sorcery | | Rumbling Rockslide deals damage to target creature equal to the number of lands you control. | Johann Bodin