I

Extra Spirit

Bonus spirit is nice. It also makes pokes with the dagger a bit better

II

Improved Spirit

Same as Extra Spirit, just more so

II

Imbue

Quicksilver Reload

Saves you from needing to reload, and increases dagger damage

II

Bullet Resist Shredder

Either this or Slowing Hex

III

Tesla Bullets

Vyper doesnt have waveclearing abilities so this helps with that

I

Extra Health

Card name says it all

III

Fortitude

Extra health x2

IV

Imbue

Mercurial Magnum

Powerspike, get this first!!

III

Burst Fire

More sliding and more shooting, best of both worlds!

IV

Boundless Spirit

Powerspike 2

IV

Active

Capacitor

Stops the people who move a ton from moving a ton

IV

Active

Vampiric Burst

Leech is more consistent but VB provides a huge burst in lifesteal

IV

Leech

I personally go Leech over VB, though its up to your playstyle

I

Active

Healing Rite

A pick-me-up in case things get rough

I

Rebuttal

For the people who just can't stop pressing Q

II

Healbane

For any nerds with lifesteal (not us though, its cool when we do it)

II

Enduring Speed

Kelvin Beam

II

Battle Vest

If they are gun heavy

III

Active

Dispel Magic

Gets rid of Disarm, also great for Bebop Bombs

III

Stamina Mastery

If you really wanna get crazy with your movement

IV

Spellbreaker

For anyone who does crazy spirit burst like Grey Talon

IV

Inhibitor

Better Healbane

III

Hunter's Aura

Great for if you wander and pick people off

IV

Glass Cannon

Glass cannon is nice, the lifesteal you get from the dmg outweighs the health you lose

IV

Crippling Headshot

Resistance and Anti-heal is nice, though landing headshots may be tricky for some (me)

II

Active

Slowing Hex

Stops them from running as much

IV

Juggernaut

For people who shoot way too much, like Haze