Use the Save/Load method from the chocolate exploit to guarantee the bonus every time.
First, a hard truth: Tag Force 2 does not have traditional button cheats (like unlocking all cards by holding L+R). However, you can use and affection system loopholes to bypass grinds. Here are the most effective methods. Yu Gi Oh Gx Tag Force 2 Cheats
These codes are entered directly during gameplay on specific screens to unlock rare content. Midday Constellation Booster Pack Up, Up, Down, Down, Left, Right, Left, Right, X, O while at the booster pack purchase screen. New Rare Pack Up(x2), Down(x2), Left, Right, Left, Right, X, O to unlock a special rare pack. Card Passwords Use the Save/Load method from the chocolate exploit