The whole point of Goblin decks (usually) is to produce a ton of Goblins, either through mana acceleration, token generation or any other broken synergies and then swing in for lethal damage immediately thanks to haste-giving Goblin lords (such as Goblin Warchief or Goblin Chieftain)
However you plan it, Snapcaster Mage can maximize your important spells at an efficient cost and speed
[L][L][C] Dynamic Bolt: 220 damage
A 3-mana 3/3 that draws cards like it's going out of style is already fantastic, but Wizards decided that wasn't busted enough and gave it a game-winning ability on top of all that
Mayor of Avabruck / Howlpack Alpha Mayor of Avabruck helps your humans by giving them +1/+1, but if no one casts a spell for a turn, it flips into Howlpack Alpha
Certain websites such as PokCap are dedicated to providing players with a new twist to their card game with new game rules they can follow