Complete the task in multiplayer to unlock the corresponding wildcard:

1 on 1 Air - In a Round destroy an air vehicle of the same kind without assistance
1 on 1 Land - In a Round Destroy one land vehicle of the same kind without assistance
1 on 1 Sea - In a Round Destroy 1 sea vehicle of the same kind without assistance
2 Pair - In a Round get 2 of any 2 trophies
Airtime - In a Round 2 seconds air time in a land vehicle
Armor Buster - In a Round Kill 5 Armored Vehicles
Avenger Trophies - Global: 50x Avenger Trophies
Beat the House - In a Round 15 Grenade Kills
Cab Driver - In a Round 5 min as driver in a vehicle with passengers
Chopper Chopper Kills - In a Round Kill 5 Air vehicles
Dead Eye Headshots - Global: Get 100 Headshots with any sniper rifle
Destruction Site - In a Round Destroy 50 Objects
Dueces are Wild - In a Round Kill 2 Enemies of each Kit
Five of a Kind - In a Round destroy 5 vehicles of the same kind
Full Deck - In a Round 52 total Kills
Full House - In a Round Destroy 3+2 vehicles of the same King
Gunslinger - Global: 80 Kills with Handgun
Headshots - In a Round 20 Kills from Headshots
Parashooter - In a Round 4 Road Kills with any air vehicle
Santa's Litle Helper - In a Round 10 Kill Assists Points
Savior Trophies - Global: 50x Savior Trophies
Snake Eyes - In a Round get 11 Kills as two different classes
Squad Avenger Card - Global: Get 100 Avenger Points Avenging Squad Members
Squad Wild Card - In a Round 1 Squad member trophy per Squad Member
Staying Dry - In a Round 2 seconds air time with a sea vehicle
Straight Flush - In a Round Destroy 1 vehicle of each kind
Strike - In a Round Kill 10 Enemies at the Same Time
Tank Buster - In a Round Kill 5 Tanks
Three of a Kind - In a Round destroy 3 vehicles of the same kind