Universal Fighting System is so fundamentally flawed and imbalanced that I refuse to play it and urge you and your friends to stop, if you play.
There are three optimal strategies.
Death elemental denial. Void elemental denial. Evil elemental ...denial.
What other games have optimal strategies? *coughyugiohcough* Yeah.
And the R&D department's response?
Bring back a banned resource destruction card.
Don't play. It's a waste of time and money.