[H] Cards, [W] Offers, Natural Selection 2

I have the following cards for trade. In total 25 cards.

Half Life 2:

• G-Man (1)
• Gordon Freeman (1)
• Bring the fight to them (1)
• Respite (1)

Left 4 Dead 2:

• Boomer (1)
• Jockey (1)
• Spitter (1)
• Tank (1)

Serious Sam 3 BFE:

• Gnaar (1)
• Bio-Mechanoid (1)
• Khnum (1)
• Sandwhale (1)

Super Meat Boy:

• Super Meat Boy (1)
• Dr. Fetus (1)
• Retro Meat (1)

Team Fortress 2:

• Pyro (2)
• Soldier (1)
• Spy (1)
• Heavy (1)

The Binding of Issac:

• I The Magician (1)
• VI The Lovers (3)

Im looking for offers, or Natural Selection 2.