Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shatter

Orcish Artillery

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

Goblin Balloon Brigade

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

Firebreathing

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

Wall of Fire

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

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Earth Elemental

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.

Mountain

Dwarven Warriors

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