Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Armageddon Clock

At the beginning of your upkeep, put a doom counter on Armageddon Clock.
At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.
{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Manabarbs

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Ironclaw Orcs

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

Gray Ogre

Detonate

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

Iron Star

Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.

Mountain

Flashfires

Nevinyrral's Disk

Nevinyrral's Disk enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Stone Rain

Fire Elemental

Inferno

Inferno deals 6 damage to each creature and each player.

Mons's Goblin Raiders

Fissure

Destroy target creature or land. It can't be regenerated.

Tunnel

Destroy target Wall. It can't be regenerated.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

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.

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.

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.

Shivan Dragon

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

Ankh of Mishra

Whenever a land enters, Ankh of Mishra deals 2 damage to that land's controller.

Orcish Artillery

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

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Shatter

Keldon Warlord

Keldon Warlord's power and toughness are each equal to the number of non-Wall creatures you control.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Orcish Oriflamme

Attacking creatures you control get +1/+0.

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

The Brute

Enchant creature
Enchanted creature gets +1/+0.
{R}{R}{R}: Regenerate enchanted creature.

Goblin Balloon Brigade

{R}: Goblin Balloon Brigade gains flying until end of turn.

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Hill Giant

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+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.

Pyrotechnics

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

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Magnetic Mountain

Blue creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.

Wall of Fire

Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn.