Sparring Construct

When Sparring Construct dies, put a +1/+1 counter on target creature you control.

Dire Fleet Poisoner

Flash
Deathtouch
When Dire Fleet Poisoner enters, target attacking Pirate you control gets +1/+1 and gains deathtouch until end of turn.

Dusk Legion Zealot

When Dusk Legion Zealot enters, you draw a card and you lose 1 life.

Grasping Scoundrel

Grasping Scoundrel gets +1/+0 as long as it's attacking.

Plains

Swamp

Adanto Vanguard

As long as Adanto Vanguard is attacking, it gets +2/+0.
Pay 4 life: Adanto Vanguard gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Caligo Skin-Witch

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.)
When Caligo Skin-Witch enters, if it was kicked, each opponent discards two cards.

Tragic Poet

{T}, Sacrifice Tragic Poet: Return target enchantment card from your graveyard to your hand.

Knight of New Benalia

Stronghold Confessor

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Menace (This creature can't be blocked except by two or more creatures.)
If Stronghold Confessor was kicked, it enters with two +1/+1 counters on it.

Doomed Dissenter

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

Diregraf Ghoul

Oreskos Swiftclaw

Daybreak Chaplain

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Sanctuary Cat

Healer's Hawk

Tenth District Guard

When Tenth District Guard enters, target creature gets +0/+1 until end of turn.

Twilight Panther

{B}: Twilight Panther gains deathtouch until end of turn.

Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Banehound

Dreadmalkin

Menace (This creature can't be blocked except by two or more creatures.)
{2}{B}, Sacrifice another creature or planeswalker: Put two +1/+1 counters on Dreadmalkin.

Charmed Stray

Lifelink
When Charmed Stray enters, put a +1/+1 counter on each other creature you control named Charmed Stray.