Have

Fatal Frenzy

Until end of turn, target creature you control gains trample and gets +X/+0, where X is its power. Sacrifice it at the beginning of the next end step.

Goblin Lore

Draw four cards, then discard three cards at random.

Hamletback Goliath

Whenever another creature enters, you may put X +1/+1 counters on this creature, where X is that creature's power.

Crazed Goblin

This creature attacks each combat if able.

Brighthearth Banneret

Elemental spells and Warrior spells you cast cost {1} less to cast.
Reinforce 1—{1}{R} ({1}{R}, Discard this card: Put a +1/+1 counter on target creature.)

Bloodshot Trainee

{T}: This creature deals 4 damage to target creature. Activate only if this creature's power is 4 or greater.

Balduvian Warlord

{T}: Remove target blocking creature from combat. Creatures it was blocking that hadn't become blocked by another creature this combat become unblocked, then it blocks an attacking creature of your choice. Activate only during the declare blockers step.

Impelled Giant

Trample
Tap an untapped red creature you control other than this creature: This creature gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Heartlash Cinder

Haste
Chroma — When this creature enters, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control.

Desperate Ritual

Add {R}{R}{R}.
Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Gilded Lotus

Loxodon Warhammer

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

O-Naginata

This Equipment can be attached only to a creature with power 3 or greater.
Equipped creature gets +3/+0 and has trample.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Ghitu Encampment

This land enters tapped.
{T}: Add {R}.
{1}{R}: This land becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

Goblin Cohort

This creature can't attack unless you've cast a creature spell this turn.

Adder-Staff Boggart

When this creature enters, clash with an opponent. If you win, put a +1/+1 counter on this creature. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Lovisa Coldeyes

Each creature that's a Barbarian, a Warrior, or a Berserker gets +2/+2 and has haste.

Stingscourger

Echo {3}{R} (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 this creature enters, return target creature an opponent controls to its owner's hand.

Whispersilk Cloak

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Countryside Crusher

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.
Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on this creature.

Rage Reflection

Creatures you control have double strike.

Slate of Ancestry

{4}, {T}, Discard your hand: Draw a card for each creature you control.

Stun

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

Vengeful Firebrand

This creature has haste as long as a Warrior card is in your graveyard.
{R}: This creature gets +1/+0 until end of turn.

Shared Animosity

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Goblin Rimerunner

{T}: Target creature can't block this turn.
{S}: This creature gains haste until end of turn. ({S} can be paid with one mana from a snow source.)

Farsight Mask

Whenever a source an opponent controls deals damage to you, if this artifact is untapped, you may draw a card.

Mountain

Viashino Slasher

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

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Godo's Irregulars

{R}: This creature deals 1 damage to target creature blocking it.

Goblin Brawler

First strike
This creature can't be equipped.

Tok-Tok, Volcano Born

Protection from red
If a red source would deal damage to a player, it deals that much damage plus 1 to that player instead.

Akki Lavarunner

Haste
Whenever this creature deals damage to an opponent, flip it.

Akki Lavarunner // Tok-Tok, Volcano Born

Keldon Halberdier

First strike
Suspend 4—{R} (Rather than cast this card from your hand, you may pay {R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Gauntlet of Power

As this artifact enters, choose a color.
Creatures of the chosen color get +1/+1.
Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Frenzied Goblin

Whenever this creature attacks, you may pay {R}. If you do, target creature can't block this turn.

Rustrazor Butcher

First strike
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Bloodmark Mentor

Red creatures you control have first strike.

Breath of Fury

Enchant creature you control
When enchanted creature deals combat damage to a player, sacrifice it and attach this Aura to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

Goblin Spelunkers

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Pyre Charger

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

Fireshrieker

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Ghost Quarter

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Mind's Eye

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

Incite Hysteria

Radiance — Until end of turn, target creature and each other creature that shares a color with it gain "This creature can't block."

Goblin Balloon Brigade

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

Iron Myr

Balduvian Barbarians

Boldwyr Heavyweights

Trample
When this creature enters, each opponent may search their library for a creature card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Steel Wall

Weight of Spires

Weight of Spires deals damage to target creature equal to the number of nonbasic lands that creature's controller controls.

Fury of the Horde

You may exile two red cards from your hand rather than pay this spell's mana cost.
Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Flamekin Brawler

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

Inner-Flame Igniter

{2}{R}: Creatures you control get +1/+0 until end of turn. If this is the third time this ability has resolved this turn, creatures you control gain first strike until end of turn.

Volcanic Hammer

Volcanic Hammer deals 3 damage to any target.

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

Goblin Sky Raider

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

Goblin Fire Fiend

Haste
This creature must be blocked if able.
{R}: This creature gets +1/+0 until end of turn.

Hammerfist Giant

{T}: This creature deals 4 damage to each creature without flying and each player.

Mudbrawler Cohort

Haste
This creature gets +1/+1 as long as you control another red creature.

Inescapable Brute

Wither (This deals damage to creatures in the form of -1/-1 counters.)
This creature must be blocked if able.

Vorrac Battlehorns

Equipped creature has trample and can't be blocked by more than one creature.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Pyrite Spellbomb

{R}, Sacrifice this artifact: It deals 2 damage to any target.
{1}, Sacrifice this artifact: Draw a card.