Rivals of Ixalan

Expel from Orazca | Instant | | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Return target nonland permanent to its owner's hand. If you have the city's blessing, you may put that permanent on top of its owner's library instead. | Steven Belledin

Flood of Recollection | Sorcery | | Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection. | Magali Villeneuve

Silvergill Adept | Creature | Merfolk Wizard | As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay {3}. When Silvergill Adept enters the battlefield, draw a card. | Magali Villeneuve

Merfolk Mistbinder | Creature | Merfolk Shaman | Other Merfolk you control get +1/+1. | Clint Cearley