Eyeblight Assassin

When Eyeblight Assassin enters, target creature an opponent controls gets -1/-1 until end of turn.

True-Name Nemesis

As True-Name Nemesis enters, choose a player.
True-Name Nemesis has protection from the chosen player.

Diabolic Intent

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

Morbid Curiosity

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw cards equal to the mana value of the sacrificed permanent.

Inner Demon

Enchant creature
Enchanted creature gets +2/+2, has flying, and is a Demon in addition to its other types.
When Inner Demon enters, all non-Demon creatures get -2/-2 until end of turn.

Last Gasp

Target creature gets -3/-3 until end of turn.

Fan Favorite

Assist (Another player can pay up to {3} of this spell's cost.)
{2}: Fan Favorite gets +1/+1 until end of turn. Any player may activate this ability.

Call to Heel

Return target creature to its owner's hand. Its controller draws a card.

Angelic Gift

Enchant creature
When Angelic Gift enters, draw a card.
Enchanted creature has flying.

Dwarven Lightsmith

Assist (Another player can pay up to {5} of this spell's cost.)
When Dwarven Lightsmith enters, creatures your team controls get +1/+1 until end of turn.

Omenspeaker

When Omenspeaker enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Expedition Raptor

Flying
When Expedition Raptor enters, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Blaring Recruiter

Partner with Blaring Captain (When this creature enters, target player may put Blaring Captain into their hand from their library, then shuffle.)
{2}{W}: Create a 1/1 white Warrior creature token.

Blaring Captain

Partner with Blaring Recruiter (When this creature enters, target player may put Blaring Recruiter into their hand from their library, then shuffle.)
Whenever Blaring Captain attacks, attacking Warriors get +1/+1 until end of turn.

Painful Lesson

Target player draws two cards and loses 2 life.

Royal Trooper

Whenever Royal Trooper blocks, it gets +2/+2 until end of turn.

Mangara of Corondor

{T}: Exile Mangara of Corondor and target permanent.

Watercourser

{U}: Watercourser gets +1/-1 until end of turn.

Battle Mastery

Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)

Assassin's Strike

Destroy target creature. Its controller discards a card.

Spellweaver Duo

Assist (Another player can pay up to {6} of this spell's cost.)
When Spellweaver Duo enters, you may return target tapped creature to its owner's hand.