Armament of Nyx | Enchantment | Aura | Enchant creature
Enchanted creature has double strike as long as it's an enchantment. Otherwise, prevent all damage that would be dealt by enchanted creature. (A creature with double strike deals both first-strike and regular combat damage.) | Slawomir Maniak
Font of Vigor | Enchantment | | {2}{W}, Sacrifice Font of Vigor: You gain 7 life. | Noah Bradley
Harvestguard Alseids | Enchantment Creature | Nymph | Constellation — Whenever Harvestguard Alseids or another enchantment enters the battlefield under your control, prevent all damage that would be dealt to target creature this turn. | Igor Kieryluk
Mortal Obstinacy | Enchantment | Aura | Enchant creature you control
Enchanted creature gets +1/+1.
Whenever enchanted creature deals combat damage to a player, you may sacrifice Mortal Obstinacy. If you do, destroy target enchantment. | Slawomir Maniak
Oppressive Rays | Enchantment | Aura | Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate. | Mark Zug