Goblin Motivator

{T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.)

Wall of Fire

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

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

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

Trample
If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.

Enchant creature
Enchanted creature gets +2/+2 and has haste.

When this creature enters, it deals 2 damage to target player or planeswalker.

Stampeding Horncrest has haste as long as you control another Dinosaur.

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Flying
When Sparktongue Dragon enters, you may pay {2}{R}. When you do, it deals 3 damage to any target.

Searing Spear deals 3 damage to any target.

Goblin spells you cast cost {1} less to cast.
Goblins you control have haste.

Bombard deals 4 damage to target creature.

Brimstone Volley deals 3 damage to any target.
Morbid — Brimstone Volley deals 5 damage instead if a creature died this turn.

Haste (This creature can attack and {T} as soon as it comes under your control.)
{T}, Sacrifice this creature: It deals 1 damage to any target.

When Goblin Instigator enters, create a 1/1 red Goblin creature token.

When Ghitu Journeymage enters, if you control another Wizard, Ghitu Journeymage deals 2 damage to each opponent.

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When this creature enters, it deals damage to target creature an opponent controls equal to the number of Goblins you control.