I'd like advice on how to make my mana base as efficient as possible.

Garbage day!

The basic idea is gaining control of your opponent's creatures, then trashing them with one of the many sacrifice outlets. It's a weenie with a decent amount of card advantage, so it sets up quick. Kari Zev's Expertise works really well, and you're able to cast most cards in the deck for free with it.

Combos:

You have to say "Garbage day!" every time you sacrifice one of their creatures.