Hope Against Hope

Enchantment — Aura

Enchant creature
Enchanted creature gets +1/+1 for each creature you control.
As long as enchanted creature is a Human, it has first strike.

Improvised Armor

Enchantment — Aura

Enchant creature
Enchanted creature gets +2/+5.
Cycling (, Discard this card: Draw a card.)

Iona's Blessing

Enchantment — Aura

Enchant creature
Enchanted creature gets +2/+2, has vigilance, and can block an additional creature each combat.

Ivory Mask

Enchantment

You have shroud. (You can't be the target of spells or abilities.)

Kindly Ancestor // Ancestor's Embrace

Creature — Spirit // Enchantment — Aura (2/3)

Lifelink
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Ancestor's Embrace

Enchant creature
Enchanted creature has lifelink.
If Ancestor's Embrace would be put into a graveyard from anywhere, exile it instead.

Kindred Boon

Enchantment

As Kindred Boon enters the battlefield, choose a creature type.
: Put a divinity counter on target creature you control of the chosen type.
Each creature you control with a divinity counter on it has indestructible.

Leyline of the Meek

Enchantment

If Leyline of the Meek is in your opening hand, you may begin the game with it on the battlefield.
Creature tokens get +1/+1.

Light from Within

Enchantment

Chroma — Each creature you control gets +1/+1 for each white mana symbol in its mana cost.

Lightform

Enchantment

When Lightform enters the battlefield, it becomes an Aura with enchant creature. Manifest the top card of your library and attach Lightform to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Enchanted creature has flying and lifelink.

Lucent Liminid

Enchantment Creature — Elemental (3/3)

Flying

Might of the Ancestors

Enchantment

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains vigilance until end of turn.

Near-Death Experience

Enchantment

At the beginning of your upkeep, if you have exactly 1 life, you win the game.

Noble Steeds

Enchantment

: Target creature gains first strike until end of turn.

Nyxborn Courser

Enchantment Creature — Centaur Scout (2/4)

Oath of Gideon

Legendary Enchantment

When Oath of Gideon enters the battlefield, create two 1/1 white Kor Ally creature tokens.
Each planeswalker you control enters the battlefield with an additional loyalty counter on it.

Oblivion Ring

Enchantment

When Oblivion Ring enters the battlefield, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Observant Alseid

Enchantment Creature — Nymph (2/2)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Vigilance
Enchanted creature gets +2/+2 and has vigilance.

Omen of the Sun

Enchantment

Flash
When Omen of the Sun enters the battlefield, create two 1/1 white Human Soldier creature tokens and you gain 2 life.
, Sacrifice Omen of the Sun: Scry 2.

On Serra's Wings

Legendary Enchantment — Aura

Enchant creature
Enchanted creature is legendary, gets +1/+1, and has flying, vigilance, and lifelink.

Opal Avenger

Enchantment

When you have 10 or less life, if Opal Avenger is an enchantment, Opal Avenger becomes a 3/5 Soldier creature.