Act of Aggression

({R/P} can be paid with either {R} or 2 life.)
Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Viashino Branchrider

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
Haste
If Viashino Branchrider was kicked, it enters the battlefield with two +1/+1 counters on it.
{2}{R}: Viashino Branchrider gets +2/+0 until end of turn.

Two-Headed Cerberus

Double strike (This creature deals both first-strike and regular combat damage.)

Storm Fleet Pyromancer

Raid — When Storm Fleet Pyromancer enters the battlefield, if you attacked this turn, Storm Fleet Pyromancer deals 2 damage to any target.

Frilled Deathspitter

Enrage — Whenever Frilled Deathspitter is dealt damage, it deals 2 damage to target opponent or planeswalker.

Trial of Zeal

When Trial of Zeal enters the battlefield, it deals 3 damage to any target.
When a Cartouche enters the battlefield under your control, return Trial of Zeal to its owner's hand.

Penregon Strongbull

{1}, Sacrifice an artifact: Penregon Strongbull gets +1/+1 until end of turn and deals 1 damage to each opponent.

Warhost's Frenzy

Kicker {B} (You may pay an additional {B} as you cast this spell.)
Creatures you control get +2/+0 until end of turn. If this spell was kicked, whenever a creature you control dies this turn, draw a card.

Goblin Blastronauts

When Goblin Blastronauts enters the battlefield, open an Attraction.
Whenever you roll a 6, you may copy the spell, ability, or Attraction visit that caused you to roll that die. You may choose new targets for the copy.

Thorn-Thrash Viashino

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)
{G}: Thorn-Thrash Viashino gains trample until end of turn.

Hungry Flames

Hungry Flames deals 3 damage to target creature and 2 damage to target player or planeswalker.

Pirate's Pillage

As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Furnace Whelp

Flying
{R}: Furnace Whelp gets +1/+0 until end of turn.

Curse of the Nightly Hunt

Enchant player
Creatures enchanted player controls attack each combat if able.

Stensia Innkeeper

When Stensia Innkeeper enters the battlefield, tap target land an opponent controls. That land doesn't untap during its controller's next untap step.

Dragon Mage

Flying
Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards.

Hurloon Battle Hymn

Kicker {W} (You may pay an additional {W} as you cast this spell.)
Hurloon Battle Hymn deals 4 damage to target creature or planeswalker. If this spell was kicked, you gain 4 life.

Gore-House Chainwalker

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Goblin Airbrusher

Whenever you place a sticker, create a Treasure token. If it's an art sticker, instead create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Art Appreciation

Put an art sticker on a nonland permanent you own. Then ask a person outside the game to rate its new art on a scale from 1 to 5, where 5 is the best. When they rate the art, up to that many target creatures can't block this turn.

Don't Try This at Home

If a hot source you control would deal damage to a player or permanent, it deals that much damage plus 1 instead. (Something is hot if it has hot things in its art, like fire or explosions.)
{1}{R}, Sacrifice Don't Try This at Home: It deals damage equal to twice the number of hot cards in your graveyard to target creature or planeswalker.

Ticking Mime Bomb

When Ticking Mime Bomb enters the battlefield, without speaking or indicating any specific creature, pantomime to a person outside the game, then they choose a creature you don't control. Ticking Mime Bomb deals damage equal to twice the number of Robots you control to the chosen creature.

Fervent Strike

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

Arcane Teachings

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature gets +2/+2 and has "{T}: This creature deals 1 damage to any target."

Draconic Roar

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, Draconic Roar deals 3 damage to that creature's controller.

Bold Impaler

{2}{R}: Bold Impaler gets +2/+0 until end of turn.

Electrify

Electrify deals 4 damage to target creature.

Tormenting Voice

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

Raze to the Ground

This spell can't be countered.
Destroy target artifact. If its mana value was 1 or less, draw a card.

Hanweir Lancer

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Hanweir Lancer is paired with another creature, both creatures have first strike.

Flameblade Adept

Menace
Whenever you cycle or discard a card, Flameblade Adept gets +1/+0 until end of turn.

Kruin Striker

Whenever another creature enters the battlefield under your control, Kruin Striker gets +1/+0 and gains trample until end of turn.

Breath of Darigaaz

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.

Balduvian Berserker

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
When Balduvian Berserker dies, it deals damage equal to its power to any target.

Squee, Dubious Monarch

Haste
Whenever Squee, Dubious Monarch attacks, create a 1/1 red Goblin creature token that's tapped and attacking.
You may cast Squee, Dubious Monarch from your graveyard by paying {3}{R} and exiling four other cards from your graveyard rather than paying its mana cost.

Desert Cerodon

Cycling {R} ({R}, Discard this card: Draw a card.)

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.)

Dragon Fodder

Create two 1/1 red Goblin creature tokens.

Invigorated Rampage

Choose one —
• Target creature gets +4/+0 and gains trample until end of turn.
• Two target creatures each get +2/+0 and gain trample until end of turn.

Mutiny

Target creature an opponent controls deals damage equal to its power to another target creature that player controls.

Boggart Arsonists

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)
{2}{R}, Sacrifice Boggart Arsonists: Destroy target Scarecrow or Plains.

Lightning Strike

Lightning Strike deals 3 damage to any target.

Needletooth Raptor

Enrage — Whenever Needletooth Raptor is dealt damage, it deals 5 damage to target creature an opponent controls.

Well Done

Well Done deals 5 damage to target creature. If that creature is rare or mythic rare, Well Done deals 3 damage to that creature's controller.

Guttersnipe

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Goblin Rally

Create four 1/1 red Goblin creature tokens.

Forerunner of the Empire

When Forerunner of the Empire enters the battlefield, you may search your library for a Dinosaur card, reveal it, then shuffle and put that card on top.
Whenever a Dinosaur enters the battlefield under your control, you may have Forerunner of the Empire deal 1 damage to each creature.

Pathmaker Initiate

{T}: Target creature with power 2 or less can't be blocked this turn.

Goblin Blast-Runner

Goblin Blast-Runner gets +2/+0 and has menace as long as you sacrificed a permanent this turn.

Sardian Avenger

First strike, trample
Whenever Sardian Avenger attacks, it gets +X/+0 until end of turn, where X is the number of artifacts your opponents control.
Whenever an artifact an opponent controls is put into a graveyard from the battlefield, Sardian Avenger deals 1 damage to that player.

Ignacio of Myra's Marvels

As Ignacio of Myra's Marvels enters the battlefield, choose armor, blood, book, bottle, fang, fire, scroll, spear, sword, or water.
Whenever you cast a spell with the chosen object in its art, create two Treasure tokens.
Partner (You can have two commanders if both have partner.)

Arc Trail

Arc Trail deals 2 damage to any target and 1 damage to another target.

Lose Calm

Gain control of target creature until end of turn. Untap that creature. It gains haste and menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Summit Prowler

Sardian Cliffstomper

As long as it's your turn and you control four or more Mountains, Sardian Cliffstomper gets +X/+0, where X is the number of Mountains you control.

Aardwolf's Advantage

Creatures you control get +2/+0 and gain alpha strike until end of turn. (A creature with alpha strike has first strike as long as it's blocking or being blocked by a creature that comes after it alphabetically.)

Academic Dispute

Target creature blocks this turn if able. You may have it gain reach until end of turn.
Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Defiler of Instinct

First strike
As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay.
Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target.

Mudbutton Torchrunner

When Mudbutton Torchrunner dies, it deals 3 damage to any target.

Embraal Gear-Smasher

{T}, Sacrifice an artifact: Embraal Gear-Smasher deals 2 damage to each opponent.

Thundercloud Shaman

When Thundercloud Shaman enters the battlefield, it deals damage equal to the number of Giants you control to each non-Giant creature.

Mishra, Excavation Prodigy

Haste
{1}, {T}, Discard a card: Draw a card.
Whenever you discard one or more artifact cards, add {R}{R}. This ability triggers only once each turn.

Spark Jolt

Spark Jolt deals 1 damage to any target. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Firecannon Blast

Firecannon Blast deals 3 damage to target creature.
Raid — Firecannon Blast deals 6 damage instead if you attacked this turn.

Sweatworks Brawler

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Menace

Rigging Runner

First strike
Raid — Rigging Runner enters the battlefield with a +1/+1 counter on it if you attacked this turn.

Expedite

Target creature gains haste until end of turn.
Draw a card.

Rix Maadi Reveler

Spectacle {2}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
When Rix Maadi Reveler enters the battlefield, discard a card, then draw a card. If Rix Maadi Reveler's spectacle cost was paid, instead discard your hand, then draw three cards.

Ready to Rumble

Choose one —
• Ready to Rumble deals 5 damage to target creature or planeswalker.
• Destroy target artifact.

Obliterating Bolt

Obliterating Bolt deals 4 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Dwarven Forge-Chanter

Ward—Pay 2 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 2 life.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Minotaur de Force

Haste
When Minotaur de Force enters the battlefield, you get {TK}, then you may put a sticker on a nonland permanent you own.

Rubblebelt Maaka

Bloodrush — {R}, Discard Rubblebelt Maaka: Target attacking creature gets +3/+3 until end of turn.

Enraged Giant

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Trample, haste

Flowstone Kavu

Menace (This creature can't be blocked except by two or more creatures.)
{R}: Flowstone Kavu gets +1/-1 until end of turn.

Pyrrhic Blast

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

Goblin Freerunner

Surge {1}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Menace (This creature can't be blocked except by two or more creatures.)

Amped Up

This spell costs {1} less to cast for each electrical socket in a wall or floor you can see from your seat.
Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +3/+0 and gains haste.

Reckless Racer

First strike
Whenever Reckless Racer becomes tapped, you may discard a card. If you do, draw a card.

Yotia Declares War

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)
I — Create a 0/2 colorless Thopter artifact creature token with flying named Ornithopter.
II — Tap any number of untapped artifacts you control. When you do, Yotia Declares War deals that much damage to target creature or planeswalker.
III — Up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 until end of turn.

Thunder-Thrash Elder

Devour 3 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with three times that many +1/+1 counters on it.)

Mardu Heart-Piercer

Raid — When Mardu Heart-Piercer enters the battlefield, if you attacked this turn, Mardu Heart-Piercer deals 2 damage to any target.

Mark of Mutiny

Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and {T} this turn.)

Priority Boarding

Whenever you roll a die, you may reveal the top card of your library. Do this only once each turn. Whenever you reveal a card with mana value less than the result this way, you may exile it. If you do, you may play it this turn.

Myojin of Roaring Blades

Myojin of Roaring Blades enters the battlefield with an indestructible counter on it if you cast it from your hand.
Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.

Frontline Rebel

Frontline Rebel attacks each combat if able.

Ravenous Intruder

Sacrifice an artifact: Ravenous Intruder gets +2/+2 until end of turn.

Goblin Trailblazer

Menace (This creature can't be blocked except by two or more creatures.)

Dragonspeaker Shaman

Dragon spells you cast cost {2} less to cast.

Goblin Picker

Skirk Fire Marshal

Protection from red
Tap five untapped Goblins you control: Skirk Fire Marshal deals 10 damage to each creature and each player.

Non-Human Cannonball

When Non-Human Cannonball dies, roll a six-sided die. If the result is 4 or less, Non-Human Cannonball deals that much damage to you.

Brotherhood's End

Choose one —
• Brotherhood's End deals 3 damage to each creature and each planeswalker.
• Destroy all artifacts with mana value 3 or less.

Ghitu Fire

You may cast Ghitu Fire as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.)
Ghitu Fire deals X damage to any target.

Spearpoint Oread

Bestow {5}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
First strike
Enchanted creature gets +2/+2 and has first strike.

Plundering Predator

Flying
When Plundering Predator enters the battlefield, you may discard a card. If you do, draw a card.

Sun-Collared Raptor

Trample
{2}{R}: Sun-Collared Raptor gets +3/+0 until end of turn.

Hyena Pack

Over the Top

Each player reveals a number of cards from the top of their library equal to the number of nonland permanents they control, puts all permanent cards they revealed this way onto the battlefield, and puts the rest into their graveyard.

Scorching Dragonfire

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

Wrangle

Gain control of target creature with power 4 or less until end of turn. Untap that creature. It gains haste until end of turn.

Battlefield Scavenger

You may exert Battlefield Scavenger as it attacks. (It won't untap during your next untap step.)
Whenever you exert a creature, you may discard a card. If you do, draw a card.