Referring to the old adage that time is money, I am going to propose a series of changes which will hopefully leave the game relatively unchanged but add more dynamics instead of a simple Win and Lose scenario.
The reason for this suggestion is because I personally find that Electrum and Upgraded Cards are only really achievable through repetitive False God farming. Ie. Mastery = 120 Electrum & a (i think reduced) chance of winning a rare.
Therefore I think a series of Achievements would be a nice way to set yourself some goals in fighting someone/creating incentives to earn Electrum rather than relying on luck for a Rare card win.
*note: the following list is not extensive nor is it entirely balanced, hence it is a suggestion open to improvement/changes from your feedback.
The Achievements
Blitzkrieg - Win a game in less than 8 rounds.
Reward: base reward*5
Defender - Have your shields defend more than 50 damage
Reward: +20 Electrum
Defender II - Have your shields absorb/defend/reflect more than 150 damage
Reward: +50 Electrum
Defender III - Have your shields absorb/defend/reflect more than 500 damage
Reward: +150 Electrum
Strategist - Win a battle lasting more than 20 rounds
Reward: +20 Electrum
Veteran Strategist - Win a battle lasting more than 30 rounds
Reward: +50 Electrum
Master Strategist - Win a battle lasting more than 50 rounds
Reward: +150 Electrum
Decimation - Kill 15 Creatures.
Reward: +20 Electrum
Decimation II - Kill 30 Creatures.
Reward: +50 Electrum
Decimation III - Kill 60 Creatures.
Reward: +100 Electrum
Poisoner - Put 8 poison counters on your opponent in one game.
Reward - 12 Electrum
Poisoner - Put 16 poison counters on your opponent in one game.
Reward - 50 Electrum
Poisoner - Put 32 poison counters on your opponent in one game.
Reward - 150 Electrum
Brutality - Do over 40 damage in one turn.
Reward - 40 Electrum
Brutality II - Do over 60 damage in one turn.
Reward - 60 Electrum
Brutality III - Do over 80 damage in one turn.
Reward - 80 Electrum
Longevity I - Heal yourself for 50 damage in one game.
Reward - 40 Electrum
Longevity II - Heal yourself for 100 damage in one game.
Reward - 75 Electrum
Longevity III - Heal yourself for 300 damage in one game.
Reward - 150 Electrum
Thievery - Steal 3 cards from your opponent.
Reward - 30 Electrum
Thievery - Steal 6 cards from your opponent.
Reward - 60 Electrum
Thievery - Steal 9 cards from your opponent.
Reward - 120 Electrum
Pillager - Destroy 9 Pillars/Towers or Permanents.
Reward - 50 Electrum
Pillager II - Destroy 12 Pillars/Towers or Permanents
Reward - 75 Electrum
Pillager III - Destroy 15 Pillars/Towers or Permanents.
Reward - 120 Electrum
The Reasoning
New players will be able to alter their decks and customize them and therefore get to know the game better at a much quicker rate.
False God farming will not rely solely on the 'luck of the draw' principle in getting an upgraded card. Since only in a False God fight will you be able to pull off multiple achievements, ie. Strategist (the game lasting a long time), Defender (relying on shields to cover damage) and Longevity (healing yourself, ie Miracle, Empathic Bonds).
Besides the incentive for players to unlock these achievements they could also boast either on the forums, or maybe on the splash page that comes up when PvP is loading a sort of list of medals/badges they have achieved.
*note: The amount of Electrum rewarded is just a number I have plucked out of thin air, it has no immediate reference to the game/cost of cards/upgrades etc.
With that in mind, maybe there should be further changes to the overall economic system of the game? With not ALL cards costing 1500 to upgrade, maybe pillars costing less, some creatures costing more, etc, etc!
What's more is, the Achievements could potentially unlock certain cards. Say for example, there is a Legendary card which does a Legendary amount of healing to yourself each turn and creates a Legendary creature. But this card is only available to players who have say for example: unlocked Achievements for Longevity III. Another example, would be, you cannot upgrade Earthquake into Quicksand until you have at least unlocked Pillager II.
Please, any thoughts are welcome! I personally think this is what the game is missing most.