Tragic Slip

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Deepwater Hypnotist

Inspired — Whenever Deepwater Hypnotist becomes untapped, target creature an opponent controls gets -3/-0 until end of turn.

Shrike Harpy

Flying
Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Shrike Harpy enters the battlefield, if tribute wasn’t paid, target opponent sacrifices a creature.

Stormscape Battlemage

Kicker and/or (You may pay an additional and/or as you cast this spell.)
When Stormscape Battlemage enters the battlefield, if it was kicked with its kicker, you gain 3 life.
When Stormscape Battlemage enters the battlefield, if it was kicked with its kicker, destroy target nonblack creature. That creature can’t be regenerated.

Shredding Winds

Shredding Winds deals 7 damage to target creature with flying.

Satyr Piper

: Target creature must be blocked this turn if able.

Moment of Heroism

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Blood Ogre

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
First strike (This creature deals combat damage before creatures without first strike.)

Shower of Sparks

Shower of Sparks deals 1 damage to target creature and 1 damage to target player or planeswalker.

Fortify

Choose one —
• Creatures you control get +2/+0 until end of turn.
• Creatures you control get +0/+2 until end of turn.

Fireshrieker

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Witchstalker

Hexproof (This creature can’t be the target of spells or abilities your opponents control.)
Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker.

Chandra’s Outrage

Chandra’s Outrage deals 4 damage to target creature and 2 damage to that creature’s controller.

Arcbound Wanderer

Modular—Sunburst (This creature enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Pestermite

Flash
Flying
When Pestermite enters the battlefield, you may tap or untap target permanent.

Skyreach Manta

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Flying

Riot Piker

First strike
Riot Piker attacks each combat if able.

Vampire’s Bite

Kicker (You may pay an additional as you cast this spell.)
Target creature gets +3/+0 until end of turn. If this spell was kicked, that creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Zealous Persecution

Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1.

Paranoid Delusions

Target player mills three cards.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)