Marsh Flitter

Flying
When Marsh Flitter enters the battlefield, create two 1/1 black Goblin Rogue creature tokens.
Sacrifice a Goblin: Marsh Flitter has base power and toughness 3/3 until end of turn.

Stingscourger

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Stingscourger enters the battlefield, return target creature an opponent controls to its owner’s hand.

Skeletal Vampire

Flying
When Skeletal Vampire enters the battlefield, create two 1/1 black Bat creature tokens with flying.
, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying.
Sacrifice a Bat: Regenerate Skeletal Vampire.

Nivix Cyclops

Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn’t have defender.

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Terminate

Destroy target creature. It can’t be regenerated.

Fiend Hunter

When Fiend Hunter enters the battlefield, you may exile another target creature.
When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner’s control.

Firemane Avenger

Flying
Battalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life.

Auramancer

When Auramancer enters the battlefield, you may return target enchantment card from your graveyard to your hand.

Azorius Arrester

When Azorius Arrester enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can’t attack or block and its activated abilities can’t be activated.)

Inaction Injunction

Detain target creature an opponent controls. (Until your next turn, that creature can’t attack or block and its activated abilities can’t be activated.)
Draw a card.

Dreadbore

Destroy target creature or planeswalker.

Blood Reckoning

Whenever a creature attacks you or a planeswalker you control, that creature’s controller loses 1 life.

Kindled Fury

Target creature gets +1/+0 and gains first strike until end of turn.

Arms Dealer

, Sacrifice a Goblin: Arms Dealer deals 4 damage to target creature.

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Ink-Eyes, Servant of Oni

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player’s graveyard onto the battlefield under your control.
: Regenerate Ink-Eyes.

Dowsing Shaman

, : Return target enchantment card from your graveyard to your hand.

Dreampod Druid

At the beginning of each upkeep, if Dreampod Druid is enchanted, create a 1/1 green Saproling creature token.

Hamlet Captain

Whenever Hamlet Captain attacks or blocks, other Humans you control get +1/+1 until end of turn.

Fiend Hunter

When Fiend Hunter enters the battlefield, you may exile another target creature.
When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner’s control.