Have

Zephyr Sprite

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Stormblood Berserker

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Menace (This creature can't be blocked except by two or more creatures.)

Crimson Mage

{R}: Target creature you control gains haste until end of turn. (It can attack and {T} this turn.)

Carrion Feeder

Carrion Feeder can't block.
Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Fireslinger

{T}: Fireslinger deals 1 damage to any target and 1 damage to you.

Goblin Piker

Infantry Veteran

{T}: Target attacking creature gets +1/+1 until end of turn.

Gladecover Scout

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Viscera Seer

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Cloud Sprite

Flying (This creature can't be blocked except by creatures with flying or reach.)
Cloud Sprite can block only creatures with flying.

Merfolk of the Pearl Trident

Pygmy Pyrosaur

Pygmy Pyrosaur can't block.
{R}: Pygmy Pyrosaur gets +1/+0 until end of turn.

Essence Warden

Whenever another creature enters, you gain 1 life.

Cathartic Adept

Merfolk Spy

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Merfolk Spy deals combat damage to a player, that player reveals a card at random from their hand.

Charging Badger

Akrasan Squire

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Festering Goblin

When Festering Goblin dies, target creature gets -1/-1 until end of turn.

Soulmender

Sage of Epityr

When Sage of Epityr enters, look at the top four cards of your library, then put them back in any order.

Goblin Fireslinger

{T}: Goblin Fireslinger deals 1 damage to target player or planeswalker.

Typhoid Rats

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Elvish Berserker

Whenever Elvish Berserker becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.