Hearthpwn

This deck is built around abusing Astral Communion. The goal of the deck is to mulligan aggressively for it and combo with either Innervate or Wild Growth for a turn two or three Astral Communion.

The rest of the deck consists of minions and spells that draw cards, so you can start leveraging your mana advantage by playing cards while drawing more cards. There's only four cards in the entire deck that don't draw or produce cards (2 Innervate and 2 Astral Communion) and only two cards that don't draw cards immediately (Bloodmage Thalnos and Loot Hoarder). This means that you should almost always draw cards in chains after resolving Astral Communion. Use the bodies and removal attached to your card draw to fight for the board.

Darnassus Aspirant should work like Wild Growth so if you play it after Astral Communion, you get an Excess Mana card.

The legendaries of choice are Nexus-Champion Saraad and Nefarian. They produce cards which is important to this deck. I should probably make room for Ysera. Finally, I included Bloodmage Thalnos over a second Loot Hoarder because of the spell damage.