Wildcards have many options for the player to advance the create a class category, Things like Danger Close and Tactician allow for more equipment, and Perk Greed sets the ability to equip extra perks from the same tier.
Perk 1 Greed
Take a second Perk Tier 1
Unlocked: Token
Perk 2 Greed
Take a second Perk Tier 2
Unlocked: Level 10
Perk 3 Greed
Take a second Perk Tier 3
Unlocked: Level 13
Overkill
Take a primary weapon as your second weapon.
Unlocked: Level 16
Secondary Gunfighter
Take a 2nd Attachment for your second weapon.
Unlocked: Level 19
Primary Gunfighter
Take a 3rd Attachment for your primary weapon.
Unlocked: Level 22
Tactician
Take a tactical grenade in place of your lethal grenade.
Unlocked: Level 25
Danger Close
Take a second Lethal
Unlocked: Level 28black ops 2 perks