The code is now officially retired. If you have success with it past this point, please let us know!
I made this a separate post so that the info doesn't get lost because, well, people will absolutely want to redeem this one.
CODE EXPIRES ON APRIL 26TH AT 5PM PST.
Enter THENEOPETSTCG on (you need an account to see links) to receive a free Cool Negg which provides multi-stats to the pet who eats it. They were, until now, worth 7M a piece.
Per Jellyneo:
Rules are typically 1 per player but.. I'm not telling you what to do on shells.This item will increase level by 1 to 2, hit points by 1 to 3, movement by 1 to 3, and strength by 1 to 3.