
Gleam of Authority | Enchantment | Aura | Enchant creature
Enchanted creature gets +1/+1 for each +1/+1 counter on other creatures you control.
Enchanted creature has vigilance and "{W}, {T}: Bolster 1." (To bolster 1, choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) | Jakub Kasper

Myth Realized | Enchantment | | Whenever you cast a noncreature spell, put a lore counter on Myth Realized.
{2}{W}: Put a lore counter on Myth Realized.
{W}: Until end of turn, Myth Realized becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it." | Jason Rainville

Illusory Gains | Enchantment | Aura | Enchant creature
You control enchanted creature.
Whenever a creature enters the battlefield under an opponent's control, attach Illusory Gains to that creature. | Kev Walker

Mirror Mockery | Enchantment | Aura | Enchant creature
Whenever enchanted creature attacks, you may create a token that's a copy of that creature. Exile that token at end of combat. | Ryan Alexander Lee

Corpseweft | Enchantment | | {1}{B}, Exile one or more creature cards from your graveyard: Create a tapped X/X black Zombie Horror creature token, where X is twice the number of cards exiled this way. | Nils Hamm

Hedonist's Trove | Enchantment | | When Hedonist's Trove enters the battlefield, exile target opponent's graveyard.
You may play lands from among cards exiled with Hedonist's Trove.
You may cast spells from among cards exiled with Hedonist's Trove. You can't cast more than one spell this way each turn. | Peter Mohrbacher

Berserkers' Onslaught | Enchantment | | Attacking creatures you control have double strike. | Zoltan Boros

Dragon Tempest | Enchantment | | Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.
Whenever a Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. | Willian Murai

Assault Formation | Enchantment | | Each creature you control assigns combat damage equal to its toughness rather than its power.
{G}: Target creature with defender can attack this turn as though it didn't have defender.
{2}{G}: Creatures you control get +0/+1 until end of turn. | Kieran Yanner

Obscuring Aether | Enchantment | | Face-down creature spells you cast cost {1} less to cast.
{1}{G}: Turn Obscuring Aether face down. (It becomes a 2/2 creature.) | Min Yum