Renegade Tactics

Target creature can't block this turn.
Draw a card.

Ruinous Gremlin

{2}{R}, Sacrifice this creature: Destroy target artifact.

Salivating Gremlins

Whenever an artifact you control enters, this creature gets +2/+0 and gains trample until end of turn.

Fairgrounds Warden

When this creature enters, exile target creature an opponent controls until this creature leaves the battlefield.

Skyship Stalker

Flying
{R}: This creature gets +1/+0 until end of turn.
{R}: This creature gains first strike until end of turn.
{R}: This creature gains haste until end of turn.

Spark of Creativity

Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

Speedway Fanatic

Haste
Whenever this creature crews a Vehicle, that Vehicle gains haste until end of turn.

Spireside Infiltrator

Whenever this creature becomes tapped, it deals 1 damage to each opponent.

Energy Reserve

Spontaneous Artist

When this creature enters, you get {E} (an energy counter).
Pay {E}: Target creature gains haste until end of turn.

Start Your Engines

Vehicles you control become artifact creatures until end of turn. Creatures you control get +2/+0 until end of turn.

Territorial Gorger

Trample
Whenever you get one or more {E} (energy counters), this creature gets +2/+2 until end of turn.

Terror of the Fairgrounds

Thriving Grubs

When this creature enters, you get {E}{E} (two energy counters).
Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Wayward Giant

Fragmentize

Destroy target artifact or enchantment with mana value 4 or less.

Welding Sparks

Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.

Kaladesh