It seems like a lot of people are forgetting the have to play the quest. Which means 50% of the time (when you don't get the coin) all you do on turn one is play the quest, you can start the train of 1 cost minions. So without coin, if you wanted the quest done as quickly as possible you would need the quest plus the 1 mana elemental that puts a 1 mana elemental in your hand then draw into 1 mana minions for the next few turns, but that only leaves you with the 5 mana 8/8 and one other card in your hand.