Curse of Echoes

Enchant player
Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control.

Spiteful Shadows

Enchant creature
Whenever enchanted creature is dealt damage, it deals that much damage to its controller.

Curse of Exhaustion

Enchant player
Enchanted player can’t cast more than one spell each turn.

Call to the Kindred

Enchant creature
At the beginning of your upkeep, you may look at the top five cards of your library. If you do, you may put a creature card that shares a creature type with enchanted creature from among them onto the battlefield, then you put the rest of those cards on the bottom of your library in any order.

Arrest

Enchant creature
Enchanted creature can’t attack or block, and its activated abilities can’t be activated.

Curse of Thirst

Enchant player
At the beginning of enchanted player’s upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to them.

Animate Dead

Enchant creature card in a graveyard
When Animate Dead enters the battlefield, if it’s on the battlefield, it loses “enchant creature card in a graveyard” and gains “enchant creature put onto the battlefield with Animate Dead.” Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature’s controller sacrifices it.
Enchanted creature gets -1/-0.

Dead Weight

Enchant creature
Enchanted creature gets -2/-2.

Spectral Flight

Enchant creature
Enchanted creature gets +2/+2 and has flying.

Wreath of Geists

Enchant creature
Enchanted creature gets +X/+X, where X is the number of creature cards in your graveyard.

Claustrophobia

Enchant creature
When Claustrophobia enters the battlefield, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.

Skeletal Grimace

Enchant creature
Enchanted creature gets +1/+1 and has “: Regenerate this creature.”

Gruesome Deformity

Enchant creature
Enchanted creature has intimidate. (It can’t be blocked except by artifact creatures and/or creatures that share a color with it.)

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Bonds of Faith

Enchant creature
Enchanted creature gets +2/+2 as long as it’s a Human. Otherwise, it can’t attack or block.

Curse of Stalked Prey

Enchant player
Whenever a creature deals combat damage to enchanted player, put a +1/+1 counter on that creature.

Curse of the Pierced Heart

Enchant player
At the beginning of enchanted player’s upkeep, Curse of the Pierced Heart deals 1 damage to that player or a planeswalker that player controls.

Furor of the Bitten

Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.

Elder Mastery

Enchant creature
Enchanted creature gets +3/+3 and has flying.
Whenever enchanted creature deals damage to a player, that player discards two cards.

Griffin Guide

Enchant creature
Enchanted creature gets +2/+2 and has flying.
When enchanted creature dies, create a 2/2 white Griffin creature token with flying.

Recumbent Bliss

Enchant creature
Enchanted creature can’t attack or block.
At the beginning of your upkeep, you may gain 1 life.