Theros Beyond Death

Nyxborn Seaguard | Enchantment Creature | Merfolk Soldier | | Simon Dominic

Shimmerwing Chimera | Enchantment Creature | Chimera | Flying At the beginning of your upkeep, return up to one other target enchantment you control to its owner's hand. | Christopher Burdett

Thassa, Deep-Dwelling | Legendary Enchantment Creature | God | Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature. | Zack Stella

Triton Waverider | Creature | Merfolk Wizard | Constellation — Whenever an enchantment enters the battlefield under your control, Triton Waverider gains flying until end of turn. | Lie Setiawan

Atris, Oracle of Half-Truths | Legendary Creature | Human Advisor | Menace When Atris, Oracle of Half-Truths enters the battlefield, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard. | Bastien L. Deharme