Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Kindle

Kindle deals X damage to any target, where X is 2 plus the number of cards named Kindle in all graveyards.

Pyrotechnics

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Sudden Impact

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.

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.

Rockslide Ambush

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

Fireblast

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

Lava Hounds

Haste
When Lava Hounds enters, it deals 4 damage to you.

Smoke

Players can't untap more than one creature during their untap steps.

Guerrilla Tactics

Guerrilla Tactics deals 2 damage to any target.
When a spell or ability an opponent controls causes you to discard Guerrilla Tactics, Guerrilla Tactics deals 4 damage to any target.

Viashino Sandscout

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandscout to its owner's hand. (Return it only if it's on the battlefield.)

Flashfires

Fire Ambush

Fire Ambush deals 3 damage to any target.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Lu Bu, Master-at-Arms

Haste; horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Viashino Sandstalker

Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)

Incinerate

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

Shatter

Disenchant

Flame Wave

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Spitting Earth

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

Raging Minotaur

Eron the Relentless

Haste
{R}{R}{R}: Regenerate Eron the Relentless.

Thunderbolt

Choose one —
• Thunderbolt deals 3 damage to target player or planeswalker.
• Thunderbolt deals 4 damage to target creature with flying.

Shock

Volcanic Hammer

Volcanic Hammer deals 3 damage to any target.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.