Eredan's World

OK, so I have been playing Eredan for almost 2 weeks, wasting more time than I should, and really enjoying it.  I have been trying a range of decks and strategies and things have been going fine, winning some losing some.  But now I have hit level 14, I have found that everyone has kind of overtaken me on the power curve.  All the decks I face seem to have a number of expensive cards, with little room for error.

Now this is fine, and as it should be, a whole load of intelligent people doing their best to win.  However, it is a little frustrating for me as a casual player to have little chance of success.  What I would appreciate from you is a strategy where I can have a bit of fun with different decks and having a go with the varied trophies, but also having a chance of winning games – I am happy to only win about 25%.

I don’t have a preferred play style or deck, spells or swords are both fine with me.  Here are my most expensive cards which you might suggest I build a deck around/sell.  I would be happy to spend a little real money but not too much.  Thanks in advance.

Arcanium
Anryena (lvl2)
Defend your territory
Keizan (lvl 2)
The Hailwalker (lvl2)
Runic Lord Eilos (lvl1)
Runic Lord Hares (lvl 4)
Vanish
Demonic Blade (lvl1)
Fragment of chimera (lvl1)
Hasna (lvl4)
In the name of the Dragon
Kararine (lvl2)
Mage’s Grand Staff (lvl2)
2*Runecraft (lvl1)
Runic Shield (lvl1)