Get out big Creature fast and later constant to pressure your enemy
Your start hand should contain at least 1 big creature ( Prefer Cannon Automaton or Solemn Giant ), one energy generation ( prefer Skull Shrine ), and a Dust Runner or Hired Smuggler.
At round 3 you cast your energy generator ( defend it, if needed ). So you can cast the first big creature this round or in round 4th. With Skull Shrine ( Best Card for this ) as example you can cast either Solemn Giant with Machinated Mindset, or a Cannon Automaton in Round 4, Round 5 an Iron Ogre or attack with the Solemn Giant and Round 6 if you are lucky another Iron Ogre.
For spell heavy decks you have Metal Wonder.
Clock Library is the least played card for me in this deck.
I will eventually replace Clock Library with Top Reaver Thea ( Didn't have her at the Time, build this deck up from scratch ). Dust Runner could also be replaced because its mainly for the start and he looses his status lategame. Iron Whip could also be replaced, maybe by Fury.