
Celestial Archon | Enchantment Creature | Archon | Bestow {5}{W}{W} (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.)
Flying, first strike
Enchanted creature gets +4/+4 and has flying and first strike. | Matt Stewart

Sphere of Safety | Enchantment | | Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control. | Slawomir Maniak

Cruel Revival | Instant | | Destroy target non-Zombie creature. It can't be regenerated. Return up to one target Zombie card from your graveyard to your hand. | Miles Johnston

Priest of the Blood Rite | Creature | Human Cleric | When Priest of the Blood Rite enters, create a 5/5 black Demon creature token with flying.
At the beginning of your upkeep, you lose 2 life. | David Palumbo

Rescue from the Underworld | Instant | | As an additional cost to cast this spell, sacrifice a creature.
Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld. | Raymond Swanland

Keepsake Gorgon | Creature | Gorgon | Deathtouch
{5}{B}{B}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)
When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls. | Aaron Miller

Stain the Mind | Sorcery | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles. | Jason Rainville

Dragon-Style Twins | Creature | Human Monk | Double strike
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Wesley Burt

Conclave Naturalists | Creature | Dryad | When Conclave Naturalists enters, you may destroy target artifact or enchantment. | Howard Lyon

Urban Evolution | Sorcery | | Draw three cards. You may play an additional land this turn. | Eytan Zana