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.

Storm Shaman

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

Meteor Shower

Meteor Shower deals X plus 1 damage divided as you choose among any number of targets.

Lava Burst

Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.

Pyric Salamander

{R}: Pyric Salamander gets +1/+0 until end of turn. Sacrifice Pyric Salamander at the beginning of the next end step.

Shivan Dragon

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

Orgg

Trample
Orgg can't attack if defending player controls an untapped creature with power 3 or greater.
Orgg can't block creatures with power 3 or greater.

Lightning Cloud

Whenever a player casts a red spell, you may pay {R}. If you do, Lightning Cloud deals 1 damage to any target.

Dwarven Soldier

Whenever Dwarven Soldier blocks or becomes blocked by one or more Orcs, Dwarven Soldier gets +0/+2 until end of turn.

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.

Brothers of Fire

{1}{R}{R}: Brothers of Fire deals 1 damage to any target and 1 damage to you.

Hurloon Minotaur

Sudden Impact

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

Firebreathing

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

Thunderbolt

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

Fireblast

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

Detonate

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Orcish Artillery

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Orcish Cannoneers

{T}: Orcish Cannoneers deals 2 damage to any target and 3 damage to you.

Mountain Goat

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Death Spark

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay {1}. If you do, return Death Spark to your hand.

Mogg Fanatic

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

Goblin Kites

{R}: Target creature you control with toughness 2 or less gains flying until end of turn. Flip a coin at the beginning of the next end step. If you lose the flip, sacrifice that creature.

Rolling Thunder

Rolling Thunder deals X damage divided as you choose among any number of targets.

Mountain

Eron the Relentless

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

Incinerate

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

Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

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.

Firefly

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

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.