Card Profaner
Mind Blowing
Albatross 21
FK-82
Boomstick
Vampire Bullets
Rubber Bullets
No Jump
Small Mag
Steel Bullets
Poison Bullets
Ninja Log
Big Head
Helmet
Laika
Health Down
Health Up
Energy Drink
Ice Block
Poison
Move Faster
Small Head
Invisible Health
More Accuracy
Bullet Time

(✰ = Direct Card Type Synergy, critical to the build)

Card Profaner✰
Parley✰
Invisible Hand✰
Invisible✰
Heartless
Medkit
Extra Cards
Rubber Bullets
Move Slower
No Jump
Barbed Cards✰
Health Up
Helmet
Clown Shoes
Predator Vision
Energy Drink
Smoke Bomb
Bigger Explosions✰
Small Head
Move Faster
Garbage Day✰
Invisible Health✰
Ice Block
Wall
Hot Potato✰

(✰ = Direct Card Type Synergy, critical to the build)
Note there are cheeky combos in here too such as
Heartless + Wall
Smoke + Predator Vision

Tin Man
Card Profaner✰
Bomb Lover✰
Mirror Card
Self-Destruct Device✰
Counter Card
Boomstick
Punch-R✰
Extra Cards✰
Health Up
Move Slower
Helmet
Bomb Belt✰
Kaboomer✰
Thick Skin✰
Hot Potato!✰
Pixel-Vision
Brasshopper
Sticky Bomb✰
Bigger Explosions✰
Lottery Ticket✰
Land Mine✰
Energy Drink
Bomb✰
Move Faster
Small Head

(✰ = Direct Card Type Synergy, critical to the build)
(Old Needs Revision)

Mind Blowing✰
Tin Man✰
Akimbo✰
FK-82✰
Boomstick✰
Health Up
Small Mag✰
Slow Reload✰
Poison Bullets
Move Slower✰
Berserker✰
CA-Turret✰
Helmet
Big Head
Medkit
Steel Bullets
No Jump✰
Ninja Smoke
Bullet Time✰

(✰ = Direct Card Type Synergy, critical to the build)

Go to the map Subway then go the the pallets

then shoot the radio 3 times then it will start playing
Moonlight by Beícoli