Have

Brazen Scourge

Fireblast

You may sacrifice two Mountains rather than pay this spell's mana cost.
Fireblast deals 4 damage to any target.

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Claim the Firstborn

Gain control of target creature with mana value 3 or less until end of turn. Untap that creature. It gains haste until end of turn.

Brass Man

Brass Man doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Man.

Charging Monstrosaur

Emberwilde Djinn

Flying
At the beginning of each player's upkeep, that player may pay {R}{R} or 2 life. If the player does, they gain control of Emberwilde Djinn.

Reckless Air Strike

Choose one —
• Reckless Air Strike deals 3 damage to target creature with flying.
• Destroy target artifact.

Talruum Minotaur

Cathartic Reunion

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

Explosive Welcome

Explosive Welcome deals 5 damage to any target and 3 damage to any other target. Add {R}{R}{R}.

Shock

Hulking Cyclops

Ferocious Tigorilla

Ferocious Tigorilla enters the battlefield with your choice of a trample counter or a menace counter on it. (A creature with menace can't be blocked except by two or more creatures.)

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.)

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Burning Shield Askari

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
{R}{R}: Burning Shield Askari gains first strike until end of turn.

Hall Monitor

Haste
{1}{R}, {T}: Target creature can't block this turn.

Seismic Shift

Destroy target land. Up to two target creatures can't block this turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Bloodlust Inciter

{T}: Target creature gains haste until end of turn.

Storm Shaman

{R}: Storm Shaman gets +1/+0 until end of turn.

Mountain

Suq'Ata Lancer

Haste
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Kaervek's Torch

As long as Kaervek's Torch is on the stack, spells that target it cost {2} more to cast.
Kaervek's Torch deals X damage to any target.

Dwarven Warriors

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

Weaselback Redcap

{1}{R}: Weaselback Redcap gets +2/+0 until end of turn.

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Leyline of Combustion

If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield.
Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.

Heated Debate

This spell can't be countered. (This includes by the ward ability.)
Heated Debate deals 4 damage to target creature or planeswalker.

Mountain Yeti

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

Flame Spirit

{R}: Flame Spirit gets +1/+0 until end of turn.

Portent of Betrayal

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Ambush Party

Ornithopter

Snow-Covered Mountain

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

Fervent Paincaster

{T}: Fervent Paincaster deals 1 damage to target player or planeswalker.
{T}, Exert Fervent Paincaster: It deals 1 damage to target creature. (An exerted creature won't untap during your next untap step.)

Phyrexian Walker

Hijack

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

Searing Spear Askari

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
{1}{R}: Searing Spear Askari gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Enthusiastic Study

Target creature gets +3/+1 and gains trample 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.)

Daggersail Aeronaut

As long as it's your turn, Daggersail Aeronaut has flying.

Dwarven Trader

Blisterspit Gremlin

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent.
Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Anax, Hardened in the Forge

Anax's power is equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)
Whenever Anax or another nontoken creature you control dies, create a 1/1 red Satyr creature token with "This creature can't block." If the creature had power 4 or greater, create two of those tokens instead.

Scorch Spitter

Whenever Scorch Spitter attacks, it deals 1 damage to the player or planeswalker it's attacking.

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Ogre Enforcer

Ogre Enforcer can't be destroyed by lethal damage unless lethal damage dealt by a single source is marked on it.

Kindled Fury

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

Turret Ogre

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

Inferno

Inferno deals 6 damage to each creature and each player.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Hungry Flames

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

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Brash Taunter

Indestructible
Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.
{2}{R}, {T}: Brash Taunter fights another target creature.

Goblin Swine-Rider

Whenever Goblin Swine-Rider becomes blocked, it deals 2 damage to each attacking creature and each blocking creature.

Start from Scratch

Choose one —
• Start from Scratch deals 1 damage to any target.
• Destroy target artifact.

Volcanic Geyser

Volcanic Geyser deals X damage to any target.

Spitting Earth

Spitting Earth deals damage to target creature equal to the number of Mountains you control.