The Lost Caverns of Ixalan

Deeproot Pilgrimage | Enchantment | | Whenever one or more nontoken Merfolk you control become tapped, create a 1/1 blue Merfolk creature token with hexproof. | Rémi Jacquot

Eaten by Piranhas | Enchantment | Aura | Flash Enchant creature Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1. (It loses all other card types and creature types.) | Abz J Harding

Song of Stupefaction | Enchantment | Aura | Enchant creature or Vehicle When Song of Stupefaction enters the battlefield, you may mill two cards. (You may put the top two cards of your library into your graveyard.) Fathomless descent — Enchanted permanent gets -X/-0, where X is the number of permanent cards in your graveyard. | Ernanda Souza