I have some experience with PS1 save hacking, but GBA is a whole different game since it seems every time I save the game, and then open it with a Hex editor the adresses change
Take for example, the Future Supporter, Professor Turo's Scenario, which returns your Active Pokemon to your hand at the cost of discarding all cards attached
Mystery Booster 2 Play Test Cards Lands Size 8.8cm x 6.3cm, Fit perfectly into KMC perfect fit sleeve
Overall, the artwork and the general usefulness of this card makes it popular among both MTG fans and Fallout fans alike
Besides the rather weak gameplay effect (if the player had creatures in the first place, then they would block the Necrite with it), I'm not sure what the 'sacrificial' bit is supposed to represent here
In short, it not only gives your creatures a second life, which is more than enough on its own, but makes them stronger in doing so