Chandra Nalaar

+1: Chandra Nalaar deals 1 damage to target player or planeswalker.
−X: Chandra Nalaar deals X damage to target creature.
−8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Prodigal Pyromancer

{T}: Prodigal Pyromancer deals 1 damage to any target.

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Seismic Strike

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

Goblin Balloon Brigade

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

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.

Goblin Piker

Chandra's Outrage

Chandra's Outrage deals 4 damage to target creature and 2 damage to that creature's controller.

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.

Lightning Elemental

Shiv's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying.
{R}: Enchanted creature gets +1/+0 until end of turn.

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.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Manic Vandal

When Manic Vandal enters, destroy target artifact.

Goblin Tunneler

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

Jackal Familiar

Jackal Familiar can't attack or block alone.

Mountain

Fiery Hellhound

{R}: Fiery Hellhound gets +1/+0 until end of turn.

Trumpet Blast

Attacking creatures get +2/+0 until end of turn.

Shivan Dragon

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

Earthquake

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

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Stone Giant

{T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.