Here is the first part of red.
Goblin Patrol (3.424) Aggro cheap Goblin.
Orcish Lumberjack (4.449) Great mana source in early game.
Reckless Charge (4.020) Booster with Flashback.
Falter (3.092) Goblin charge.
Goblin Piledriver (4.444) Strong Goblin. Protection from blu is key.
Skirk Drill Sergeant (3.229) Combos with Goblin Sledder.
Wall of Diffusion (3.184) Red Wall that can block Shadow.
Giant Strength (2.824) Limited booster that is an enchantment.
Rites of Initiation (3.109)
Gatherer:
"Name of the card should be Last-Ditch Effort because unless you have some good card draw in your deck, discarding your entire hand could be Game Over."
Skirk Prospector (4.277)
Gatherer:
"This guy + Goblin Warchief turn Mogg War Marshal into a red Dark Ritual."
Spark Spray (2.735) One for one hitter.
Hulking Goblin (2.462) Limited Goblin.
Kindle (3.881) Great as a play set. Makes for a very fast game in the mirror.
Lightning Rift (3.953) Damage against cycling or as you cycle.
Chaos Warp (4.208) Worth a build-around experiment.
Gatherer:
"This card is flexible, fun, and exciting. It has that certain unpredictable factor to it. It has the potential to be a vindicate, or act more like a polymorph for anything. They use a spot removal on your Stormblood Berserker? No problem, lets chaos warp and see what happens. Not to mention this is a red enchantment removal people."
Goblin Matron (4.441) Goblin tutor, yay!
Goblin General (2.909)
Gatherer:
"Another goblin lord?? Just how many of them are there?! Goblin King, Mad Auntie, Goblin Chieftain, and, sorta, Goblin Warchief. Sheesh :P"
Goblin Warchief (4.483) Faster goblins and its a lord.
Flametongue Kavu (4.346) Flicker it for multiple damage.
Solar Blast (2.673) Limited damage.
Aftershock (3.217) Destruction with hit to self. This ability comes from black.
Beetleback Chief (3.458) Drop two tokens, fair mana.
Flowstone Hellion (3.803) Can be a 5/1 with Haste.
Goblin Commando (2.229) Limited battle trick.
Chartooth Cougar (3.304) Limited bomb.