Burst of Speed

Creatures you control gain haste until end of turn. (They can attack and {T} even if they just came under your control.)

Vulshok Berserker

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

Goblin Wizardry

Create two 1/1 red Goblin Wizard creature tokens with prowess. (Whenever you cast a noncreature spell, they get +1/+1 until end of turn.)

Panic Attack

Up to three target creatures can't block this turn.

Mazemind Tome

{T}, Put a page counter on this artifact: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{2}, {T}, Put a page counter on this artifact: Draw a card.
When there are four or more page counters on this artifact, exile it. If you do, you gain 4 life.

Furor of the Bitten

Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Chandra's Magmutt

{T}: This creature deals 1 damage to target player or planeswalker.

Skyscanner

Flying
When this creature enters, draw a card.

Hobblefiend

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
{1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

Goblin Balloon Brigade

{R}: This creature gains flying until end of turn.

Thunder Strike

Target creature gets +2/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Scorching Dragonfire

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Fiery Hellhound

{R}: This creature gets +1/+0 until end of turn.

Chandra's Outrage

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

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Destructive Tampering

Choose one —
• Destroy target artifact.
• Creatures without flying can't block this turn.

Shock

Burning Inquiry

Each player draws three cards, then discards three cards at random.

Burn Bright

Creatures you control get +2/+0 until end of turn.

Turret Ogre

Reach (This creature can block creatures with flying.)
When this creature enters, if you control another creature with power 4 or greater, this creature deals 2 damage to each opponent.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Fling

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Sparkmage Apprentice

When this creature enters, it deals 1 damage to any target.

Elixir of Immortality

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Unleash Fury

Double the power of target creature until end of turn.

Bone Pit Brute

Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, target creature gets +4/+0 until end of turn.

Turn to Slag

Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Kindled Fury

Target creature gets +1/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Shatter

Demolish

Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Bolt Hound

Haste (This creature can attack and {T} as soon as it comes under your control.)
Whenever this creature attacks, other creatures you control get +1/+0 until end of turn.

Lightning Elemental

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Sure Strike

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Crash Through

Creatures you control gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)
Draw a card.

Trumpet Blast

Attacking creatures get +2/+0 until end of turn.

Arc Runner

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Storm Caller

When this creature enters, it deals 2 damage to each opponent.

Pitchburn Devils

When this creature dies, it deals 3 damage to any target.

Double Vision

Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.

Mountain

Short Sword

Equipped creature gets +1/+1.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Incite

Target creature becomes red until end of turn and attacks this turn if able.

Pyretic Ritual

Spellgorger Weird

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Thrill of Possibility

As an additional cost to cast this spell, discard a card.
Draw two cards.

Igneous Cur

{1}{R}: This creature gets +2/+0 until end of turn.

Volcanic Strength

Enchant creature
Enchanted creature gets +2/+2 and has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)