Starlit Mantle

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature you control
When this Aura enters, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Enchanted creature gets +1/+1.

Omen of the Sea

Flash (You may cast this spell any time you could cast an instant.)
When this enchantment enters, scry 2, then draw a card.
{2}{U}, Sacrifice this enchantment: Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Kasmina's Transmutation

Enchant creature
Enchanted creature loses all abilities and has base power and toughness 1/1.

Shimmerwing Chimera

Flying
At the beginning of your upkeep, return up to one other target enchantment you control to its owner's hand.

Sweet Oblivion

Target player mills four cards.
Escape—{3}{U}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Brine Giant

Affinity for enchantments (This spell costs {1} less to cast for each enchantment you control.)

Disdainful Stroke

Counter target spell with mana value 4 or greater.

Counterspell

Miscast

Counter target instant or sorcery spell unless its controller pays {3}.

Trial of Knowledge

When this enchantment enters, draw three cards, then discard a card.
When a Cartouche you control enters, return this enchantment to its owner's hand.

Island

Sage of Mysteries

Constellation — Whenever an enchantment you control enters, target player mills two cards.