Hearthpwn

The traditional burn/tempo mage has been refined with the addition of a couple of Boomsday cards, and the Mana Addict variant can perform quite well. However, it lacks consistency.

Explosive Runes, one of the best cards in that deck, is often ineffective at keeping the road to the opponent's face open due to Giggling Inventor, or is a downright liability against Deathrattle decks (already a problem against cubelocks/reqruit hunters, but increasingly so with Mechanical Whelp). Furthermore, despite the increased board clear ability provided by buffed Shooting Star, Druid's Spreading Plague and Warrior's waves of taunts can still keep mage at bay long enough to loose tempo.

This is a deck I have been experimenting with that overcomes those issues, and so far it feels pretty good to play: The main principle is that you summon wave after wave of +Spell Damage minions, forcing your opponent to either spend all their time clearing them, or receive an ungodly amount of damage (there are few things as sweet as an 8-damage Arcane Missiles).

In addition, operating on the same principle as a Spiteful Summoner deck (flooding the board with more stats than the opponent can deal with), this list includes Unexpected Results. I'm not a fan of random summons as a principle, but with the amount of Spell Damage in this deck this card will give you either 2 5-cost or 6-cost minions, which is a handful for your opponent to deal with as you mow them down (And unlike Vex Crow, which had the possibility to screw you over by summoning a Wild Pyromancer, Doomsayer or Lorewalker Cho, the 5/6-mana pool of minions contains far fewer things that can backfire.) Unexpected Results is a meme card and does not belong in any serious deck.

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Things to improve: I'm still working on the right balance of minions and spells... Also still debating whether Stargazer Luna is worth the inclusion (in my experience it mainly has value as another soft taunt, rather than as meaningful card draw.)

Update: I replaced 1 Mana Addict for 1 Spellshifter, this deck succeeds more on always having +Spell Damage on board rather than on any one minion doing a lot of damage. Still experimenting however, considering using 1 Celestial Emissary instead.

Update 2: After extensive testing this deck performs about on par with the more traditional Secrets variant, which is to say well but not well enough. That has mostly to do with the status of Aluneth Mage in the current meta, which is provably the worst of the agro decks. 

Additionally, despite initial hopes, Unexpected Results proved as temperamental and likely to backfire as Vex Crow. It has been replaced by a couple of Saronite Chain Gang as a way to maintain board presence and protect our valuable Spell Damage minions. The choice of Chain Gang over Giggling Inventor is deliberate and the reason is 2-fold: 1. The 1 extra mana of Inventor is surprisingly impactful, especially during Aluneth turns. 2. There is a Blood Knight flood currently out there and this deck is already vulnerable enough to that due to Tainted Zealot.

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Budget Options:

Replace Bloodmage Thalnos with a Spellshifter or a Tuskarr Fisherman

Replace Stargazer Luna with a second Arcane Intellect if you feel you need card draw, a Mirror Image if you feel you need survivability, or with Arcane Explosion if you feel you need more damage.

Unfortunately you need Aluneth, or this deck's competitiveness goes way down. 

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If there is interest (Say, 10/15 Upvotes), I'll spend some time doing a proper writeup (mulligan etc.)

Either way, enjoy!