SPEJ5F1 - Unlocks: 2x +50% Combat XP Booster, 4x Chocolate, and 3x Golden Horseshoe Decal (New, can only use 1 of these 5 codes for EU).SPEN5T5 - Unlocks: 2x +50% Combat XP Booster, 6x Emblem Snake 2, and 6x Emblem Quadrifoil (New, can only use 1 of these 5 codes for EU).
If any of these codes don't work, there are two likely reasons: (1) you entered the code incorrectly, or (2) the code has expired. Most of these codes will expire over time, so you should redeem them quickly.