Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Flying Men

Mind Bomb

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Goblins of the Flarg

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
When you control a Dwarf, sacrifice Goblins of the Flarg.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Goblin Balloon Brigade

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

Orcish Artillery

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