nearest yugioh card shop Yu-Gi-Oh! Trading Game: Maze of the Master Booster Display Box Yu-Gi-Oh! — Legacy Games

The requirements for the "evolution" are found in the upper left-hand corner below the Stage Level (Basic, 1, or 2)

Combine it with cards like Pyrophobia to let your few non-Warriors through, or Kargan Intimidator to make even more creatures unable to block

and power can be upped when you attack with various technique cards (abilities/tricks) and reinforcements which you can bring in from your hand

The password for most cards are randomly assigned, though a few cards have their password themed around the nature of the card's release, such as 00010000 for Ten Thousand Dragon

But its a plenty powerful sacrifice outlet when you build around it