The Lost Caverns of Ixalan

Helping Hand | Sorcery | | Return target creature card with mana value 3 or less from your graveyard to the battlefield tapped. | Aldo Domínguez

Chart a Course | Sorcery | | Draw two cards. Then discard a card unless you attacked this turn. | Josu Solano

Self-Reflection | Sorcery | | Create a token that's a copy of target creature you control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Henry Peters

Defossilize | Sorcery | | Return target creature card from your graveyard to the battlefield. That creature explores, then it explores again. (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. Then repeat this process.) | Dibujante Nocturno

Malicious Eclipse | Sorcery | | All creatures get -2/-2 until end of turn. If a creature an opponent controls would die this turn, exile it instead. | Campbell White

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

Triumphant Chomp | Sorcery | | Triumphant Chomp deals damage to target creature equal to 2 or the greatest power among Dinosaurs you control, whichever is greater. | Simon Dominic

Glimpse the Core | Sorcery | | Choose one — • Search your library for a basic Forest card, put that card onto the battlefield tapped, then shuffle. • Return target Cave card from your graveyard to the battlefield tapped. | Francisco Miyara

Malamet Battle Glyph | Sorcery | | Choose target creature you control and target creature you don't control. If the creature you control entered the battlefield this turn, put a +1/+1 counter on it. Then those creatures fight each other. | Andrew Mar