getting cards graded What Do the Different Card Grades Mean? Why Do Some Graded Cards
Description
Once the ability resolves, the bonus applied by that instance of the ability doesn't change even if the number of permanent cards in your graveyard changes

It looks like the design team anticipated this cards popularity because Bloodthirsty Conquerer got the Showcase treatment

Some major companies, like Dicks Sporting Goods, occasionally host giveaways and raffles, too

Release: 25th April (Europe) Source: Silver-Cards